diff --git a/components/home/featured-roadmaps-list.tsx b/components/home/featured-roadmaps-list.tsx
index c770a067a..64a7aeda5 100644
--- a/components/home/featured-roadmaps-list.tsx
+++ b/components/home/featured-roadmaps-list.tsx
@@ -13,7 +13,19 @@ export const upcomingRoadmaps = [
     title: 'React Native',
     description: 'Step by step guide to become a React Native Developer',
     id: 'react-native'
-  }
+  },
+  {
+    type: 'Skill Based',
+    title: 'TypeScript',
+    description: 'Step by step guide to learn TypeScript in 2022',
+    id: 'typescript'
+  },
+  {
+    type: 'Skill Based',
+    title: 'Rust',
+    description: 'Step by step guide to learn Rust in 2022',
+    id: 'rust'
+  },
 ];
 
 export function FeaturedRoadmapsList(props: FeaturedRoadmapsListProps) {
@@ -30,7 +42,7 @@ export function FeaturedRoadmapsList(props: FeaturedRoadmapsListProps) {
               url={`/${roadmap.id}`}
               key={roadmap.id}
               colorIndex={counter}
-              title={roadmap.featuredTitle}
+              title={roadmap.featuredTitle === 'Software Design and Architecture' ? 'Software Design' : roadmap.featuredTitle}
               isCommunity={roadmap.isCommunity}
               isNew={roadmap.isNew}
               subtitle={roadmap.featuredDescription}
diff --git a/components/related-roadmaps.tsx b/components/related-roadmaps.tsx
index 558497965..ce3b5230f 100644
--- a/components/related-roadmaps.tsx
+++ b/components/related-roadmaps.tsx
@@ -17,6 +17,10 @@ const colorsList = [
   'pink.700'
 ];
 
+const roadmapTitleMapping: Record<string, string> = {
+  "Software Design and Architecture": "Software Design",
+}
+
 export function RelatedRoadmaps(props: RelatedRoadmapsProps) {
   const { roadmaps } = props;
   if (!roadmaps.length) {
@@ -61,9 +65,10 @@ export function RelatedRoadmaps(props: RelatedRoadmapsProps) {
                 as='span'
                 fontWeight='bold'
                 display={['inline-block']}
-                minWidth='140px'
+                minWidth='150px'
+                mr='10px'
               >
-                {roadmap.featuredTitle}
+                {roadmapTitleMapping[roadmap.featuredTitle] || roadmap.featuredTitle}
               </Text>
               <Text as='span' display={['block', 'inline']} isTruncated maxWidth='100%' fontSize={['sm', 'sm', 'md']} color='gray.700'>{roadmap.featuredDescription}</Text>
             </Link>
diff --git a/content/guides.json b/content/guides.json
index 58cbb698d..5fab890b5 100644
--- a/content/guides.json
+++ b/content/guides.json
@@ -1,4 +1,14 @@
 [
+  {
+    "id": "http-basic-authentication",
+    "title": "HTTP Basic Authentication",
+    "description": "Learn what is HTTP Basic Authentication and how to implement it in Node.js",
+    "isNew": true,
+    "type": "textual",
+    "authorUsername": "kamranahmedse",
+    "updatedAt": "2022-10-03T19:59:14.191Z",
+    "createdAt": "2022-10-03T19:59:14.191Z"
+  },
   {
     "id": "basics-of-authentication",
     "title": "Basics of Authentication",
diff --git a/content/guides/http-basic-authentication.md b/content/guides/http-basic-authentication.md
new file mode 100644
index 000000000..bec2185ca
--- /dev/null
+++ b/content/guides/http-basic-authentication.md
@@ -0,0 +1,93 @@
+Our last guide was about the [basics of authentication](/guides/basics-of-authentication), where we discussed authentication, authorization, types of authentication, authentication factors, authentication strategies, and so on.
+
+In this guide today, we will be learning about basic authentication, and we will see how we can implement Basic Authentication in Node.js. We have a [visual guide on the basic authentication](/guides/basic-authentication) and an illustrative video, watch the video below or continue reading:
+
+<iframe src="https://www.youtube.com/embed/mwccHwUn7Gc" title="HTTP Basic Authentication" />
+
+## What is Basic Authentication?
+Given the name "Basic Authentication", you should not confuse Basic Authentication with the standard username and password authentication. Basic authentication is a part of the HTTP specification, and the details can be [found in the RFC7617](https://www.rfc-editor.org/rfc/rfc7617.html).
+
+Because it is a part of the HTTP specifications, all the browsers have native support for "HTTP Basic Authentication". Given below is the screenshot from the implementation in Google Chrome.
+
+![](/guides/basic-authentication/chrome-basic-auth.png)
+
+
+## How does it Work?
+Now that we know what basic authentication is, the question is, how does it work? The answer is: it is controlled by the response of the server.
+
+### Step 1
+When the browser first requests the server, the server tries to check the availability of the `Authorization` header in the request. Because it is the first request, no `Authorization` header is found in the request. So the server responds with the `401 Unauthorized` response code and also sends the `WWW-Authenticate` header with the value set to `Basic`, which tells the browser that it needs to trigger the basic authentication flow.
+
+```text
+401 Unauthorized
+WWWW-Authenticate: Basic realm='user_pages'
+```
+
+If you notice the response, we have an additional parameter called `realm`, which is just a value assigned to a group of pages that share the same credentials.
+
+The browser might use Realm to cache the credential. In the future, when there is an authentication failure browser will check if it has the credentials in the cache for the given realm of the domain, and it may use the same credentials.
+
+## Step 2
+Upon receiving the response from the server, the browser will notice the `WWW-Authenticate` header and will show the authentication popup.
+
+![](/guides/basic-authentication/chrome-basic-auth.png)
+
+## Step 3
+After the user submits the credentials through this authentication popup, the browser will automatically encode the credentials using the `base64` encoding and send them in the `Authorization` header of the same request.
+
+### Step 4
+Upon receiving the request, the server will decode and verify the credentials. If the credentials are valid, the server will send the response to the client.
+
+So that is how Basic Authentication works.
+
+## Basic Authentication in Node.js
+I have prepared the sample project in Node.js, which can be found on GitHub [kamranahmedse/node-basic-auth-example](https://github.com/kamranahmedse/node-basic-auth-example). If you look at the codebase of the project, we have two files `index.js` with the following content:
+
+```javascript
+// src/index.js
+
+const express = require('express');
+const authMiddleware = require('./auth');
+
+const app = express();
+const port = 3000;
+
+// This middleware is where we have the 
+// basic authentication implementation
+app.use(authMiddleware);
+
+app.get('/', (req, res) => {
+  res.send('Hello World!');
+});
+
+app.listen(port, () => {
+  console.log(`App running @ http://localhost:${port}`);
+})
+```
+
+As you can see, it's just a regular express server. `authMiddleware` registration is where we have all the code for "Basic Authentication". Here is the content of the middleware:
+
+```javascript
+// src/auth.js
+const base64 = require("base-64");
+
+function decodeCredentials(authHeader) {
+  // ...
+}
+
+module.exports = function(req, res, next) {
+  // Take the header and decode credentials 
+  const [username, password] = decodeCredentials(req.headers.authorization || '');
+
+  // Verify the credentials
+  if (username === 'admin' && password === 'admin') {
+    return next();
+  }
+
+  // Respond with authenticate header on auth failure.
+  res.set('WWW-Authenticate', 'Basic realm="user_pages"');
+  res.status(401).send('Authentication required.');
+}
+```
+
+And that is how the basic authentication is implemented in Node.js.
diff --git a/content/guides/what-is-internet.md b/content/guides/what-is-internet.md
index 1a6676ea1..ea846c894 100644
--- a/content/guides/what-is-internet.md
+++ b/content/guides/what-is-internet.md
@@ -1,4 +1,4 @@
-Since the explosive growth of web-based applications, every developer could stand to benefit from understanding how the Internet works. In this article, accompanied with an introductory series of short videos about the Internet from [code.org](https://code.org), you will learn the basics of the Internet and how it works. After going through this article, you will be able to answer the below questions:
+Since the explosive growth of web-based applications, every developer stands to benefit from understanding how the Internet works. Through this article and its accompanying introductory series of short videos about the Internet from [code.org](https://code.org), you will learn the basics of the Internet and how it works. After going through this article, you will be able to answer the following questions:
 
 * What is the Internet?
 * How does the information move on the internet?
diff --git a/content/roadmaps.json b/content/roadmaps.json
index 8c546abff..a877f25b2 100644
--- a/content/roadmaps.json
+++ b/content/roadmaps.json
@@ -942,6 +942,7 @@
     "versions": [],
     "relatedRoadmaps": [
       "backend",
+      "software-design-architecture",
       "python",
       "python",
       "nodejs",
@@ -953,5 +954,53 @@
     "id": "software-architect",
     "metaPath": "/roadmaps/114-software-architect/meta.json",
     "isUpcoming": false
+  },
+  {
+    "seo": {
+      "title": "Software Design and Architecture Roadmap",
+      "description": "Learn software design and architecture with this step by step guide and resources.",
+      "keywords": [
+        "guide to learn software design and architecture",
+        "software design roadmap",
+        "software architecture roadmap",
+        "software design and architecture roadmap",
+        "modern software design and architecture roadmap",
+        "fullstack software design and architecture roadmap",
+        "design and architecture roadmap",
+        "scalable design roadmap",
+        "software design patterns roadmap",
+        "software architecture patterns roadmap",
+        "design architecture patterns roadmap",
+        "application architectures",
+        "software architecture guide"
+      ]
+    },
+    "title": "Software Design and Architecture",
+    "description": "Step by step guide to learn software design and architecture",
+    "featuredTitle": "Software Design and Architecture",
+    "type": "tool",
+    "featuredDescription": "Guide to learn software design and architecture",
+    "isTextHeavy": false,
+    "isCommunity": false,
+    "isNew": true,
+    "isUpcoming": false,
+    "featured": true,
+    "jsonUrl": "/project/software-design-architecture.json",
+    "author": {
+      "name": "Kamran Ahmed",
+      "url": "https://twitter.com/kamranahmedse"
+    },
+    "pdfUrl": "/pdfs/software-design-architecture.pdf",
+    "relatedRoadmaps": [
+      "backend",
+      "software-architect",
+      "devops",
+      "python",
+      "java",
+      "nodejs",
+      "golang"
+    ],
+    "id": "software-design-architecture",
+    "metaPath": "/roadmaps/115-software-design-architecture/meta.json"
   }
 ]
\ No newline at end of file
diff --git a/content/roadmaps/100-frontend/content/111-pick-a-framework/100-react-js/readme.md b/content/roadmaps/100-frontend/content/111-pick-a-framework/100-react-js/readme.md
index 0ab2b1126..7d764fa1d 100644
--- a/content/roadmaps/100-frontend/content/111-pick-a-framework/100-react-js/readme.md
+++ b/content/roadmaps/100-frontend/content/111-pick-a-framework/100-react-js/readme.md
@@ -11,6 +11,7 @@ React is the most popular front-end JavaScript library for building user interfa
 <ResourceGroupTitle>Free Content</ResourceGroupTitle>
 <BadgeLink colorScheme='blue' badgeText='Official Website' href='https://reactjs.org/'>React Website</BadgeLink>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://reactjs.org/tutorial/tutorial.html'>Official Getting Started</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://beta.reactjs.org/'>Beta React Docs</BadgeLink>
 <BadgeLink badgeText='Course' colorScheme='green' href='https://egghead.io/courses/the-beginner-s-guide-to-react'>The Beginner's Guide to React</BadgeLink>
 <BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=nTeuhbP7wdE'>React JS Course for Beginners</BadgeLink>
 <BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=bMknfKXIFA8'>React Course - Beginner's Tutorial for React JavaScript Library [2022]</BadgeLink>
diff --git a/content/roadmaps/101-backend/content/103-learn-a-language/106-python.md b/content/roadmaps/101-backend/content/103-learn-a-language/106-python.md
index 1b923f673..0d59f456d 100644
--- a/content/roadmaps/101-backend/content/103-learn-a-language/106-python.md
+++ b/content/roadmaps/101-backend/content/103-learn-a-language/106-python.md
@@ -12,6 +12,7 @@ Python is a well known programming language which is both a strongly typed and a
 <BadgeLink colorScheme='blue' badgeText='Official Website' href='https://www.python.org/'>Python Website</BadgeLink>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.python.org/about/gettingstarted/'>Python Getting Started</BadgeLink>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://automatetheboringstuff.com/'>Automate the Boring Stuff</BadgeLink>
+<BadgeLink badgeText='Course' colorScheme='green' href='https://pythonprinciples.com/'>Python principles - Python basics</BadgeLink>
 <BadgeLink badgeText='Course' colorScheme='green' href='https://www.w3schools.com/python/'>W3Schools - Python Tutorial </BadgeLink>
 <BadgeLink badgeText='Course' colorScheme='green' href='https://ehmatthes.github.io/pcc/'>Python Crash Course</BadgeLink>
 <BadgeLink badgeText='Course' colorScheme='green' href='https://www.codecademy.com/learn/learn-python'>Codecademy - Learn Python 2</BadgeLink>
diff --git a/content/roadmaps/101-backend/content/107-nosql-databases/101-column-databases.md b/content/roadmaps/101-backend/content/107-nosql-databases/101-column-databases.md
index 117c2ef82..58c9fad4d 100644
--- a/content/roadmaps/101-backend/content/107-nosql-databases/101-column-databases.md
+++ b/content/roadmaps/101-backend/content/107-nosql-databases/101-column-databases.md
@@ -1,3 +1,9 @@
 # Column Databases
 
-A **<u>columnar database</u>** is a database management system (DBMS) that stores data in columns as opposed to rows. The main advantage of columnar databases over row-oriented ones is their **<u>faster performance</u>**; this is due in large part to them accessing less memory to output data. This column structure can store more data in a smaller amount of memory. And because the initial data retrieval is done on a column-by-column basis, only the columns that need to be used are retrieved. This grants columnar databases like **Cassandra DB** their ability to scale efficiently and handle large amounts of data.
+A **<u>wide-column database</u>** (sometimes refered to as a column database) is similar to a relational database. It store data in tables, rows and columns. However in opposite to relational databases here each row can have its own format of the columns. Column databases can be seen as a two-dimensional key-value database. One of such database system is **Apache Cassandra**.
+
+**Warning:** <a href="https://en.wikipedia.org/wiki/Wide-column_store#Wide-column_stores_versus_columnar_databases">note that a "columnar database" and a "column database" are two different terms!</a>
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://cassandra.apache.org/_/index.html'>Apache Cassandra</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=J-cSy5MeMOA'>Apache Cassandra Database - Full Course for Beginners</BadgeLink>
diff --git a/content/roadmaps/101-backend/content/123-scalability/100-mitigation-strategies.md b/content/roadmaps/101-backend/content/123-scalability/100-mitigation-strategies.md
index 14dcc962a..b3b2ef0fa 100644
--- a/content/roadmaps/101-backend/content/123-scalability/100-mitigation-strategies.md
+++ b/content/roadmaps/101-backend/content/123-scalability/100-mitigation-strategies.md
@@ -1 +1,3 @@
-# Mitigation strategies
\ No newline at end of file
+# Mitigation Strategies
+
+This section is mainly relevant to the cloud design patterns that help you build scalable solutions. Have a look at the [Cloud Design Patterns](https://learn.microsoft.com/en-us/azure/architecture/patterns/) docs by Microsoft and this video covering [the throttling, retry and circuit breaker patterns](https://www.youtube.com/watch?v=0HoTGgb5oFg)
diff --git a/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/101-tmux-multiplexer.md b/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/101-tmux-multiplexer.md
index ecbd8c794..6cdd0c1f6 100644
--- a/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/101-tmux-multiplexer.md
+++ b/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/101-tmux-multiplexer.md
@@ -7,4 +7,4 @@ When tmux is started it creates a new session with a single window and displays
 See `man tmux` further information
 
 <BadgeLink badgeText='Official Documentation' colorScheme='blue' href='https://tmuxguide.readthedocs.io/en/latest/tmux/tmux.html'>Tmux Documentation</BadgeLink>
-<BadgeLink badgeText='Read' colorScheme='yellow' href='https://tmuxcheatsheet.com/'>Tux Cheat Sheet</BadgeLink>
+<BadgeLink badgeText='Read' colorScheme='yellow' href='https://tmuxcheatsheet.com/'>Tmux Cheat Sheet</BadgeLink>
diff --git a/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/106-compiling-apps.md b/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/106-compiling-apps.md
index df409636e..d852dd90a 100644
--- a/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/106-compiling-apps.md
+++ b/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/106-compiling-apps.md
@@ -1 +1,43 @@
-# Compiling apps
\ No newline at end of file
+# Compiling Apps
+
+# gcc
+
+The GNU Compiler Collection (GCC) is a compiler system produced by the GNU Project supporting various programming languages also known as GCC. GCC is a key component of the GNU tool chain and the standard compiler for most Unix-like operating systems. Compiler Collection is a set of compilers and development tools available for Linux and an array of other operating systems. It includes support primarily for C and C++. It provides all of the infrastructure for building software in those languages from source code to assembly.
+
+"What is GCC used for?" GCC is a toolchain that compiles code, links it with any library dependencies, converts that code to assembly, and then prepares executable files.It is responsible for the conversion of the “high level” source code in the respective language and ensuring that it is semantically valid, performing well formed optimizations, and converting it to assembly code (which is then handed off to the assembler).
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://courses.cs.washington.edu/courses/cse451/99wi/Section/gccintro.html'>Intro to GCC</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.javatpoint.com/gcc-linux'>GCC Linux</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.geeksforgeeks.org/gcc-command-in-linux-with-examples/'>GCC Commands</BadgeLink>
+
+# make
+
+The GNU Make is a tool which enables and controls the creation of executables and other non-source files of a program from the program's source files.
+Make builds the program from a file called the makefile, which lists each of the non-source files and how to compute it from other files. When you write a program, you should write a makefile for it, so that it is possible to use Make to build and install the program.
+
+"What is make used for?" Make enables the end user to build and install your package without knowing the details of how that is done -- because these details are recorded in the makefile that you supply.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://makefiletutorial.com'>Makefile Tutorial</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.gnu.org/software/make/manual/'>Documentation for make</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.cs.swarthmore.edu/~newhall/unixhelp/howto_makefiles.html'>Using Make and writing Makefiles</BadgeLink>
+
+# sbt
+
+sbt is an open-source build tool for Scala and Java projects, similar to Apache's Maven and Ant. Its main features are: Native support for compiling Scala code and integrating with many Scala test frameworks. Continuous compilation, testing, and deployment.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.scala-sbt.org/1.x/docs/'>Sbt Documentation</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.scala-sbt.org/1.x/docs/sbt-by-example.html'>Sbt By Example</BadgeLink>
+
+# gradle
+
+Gradle is a build automation tool known for its flexibility to build software. A build automation tool is used to automate the creation of applications. The building process includes compiling, linking, and packaging the code.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.tutorialspoint.com/gradle/index.htm'>Gradle Tutorial</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://tomgregory.com/gradle-tutorial-for-complete-beginners/'>Gradle for absolute beginners</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://gradle.org/guides/'>Gradle Guides</BadgeLink>
+
+
diff --git a/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/116-tcpdump.md b/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/116-tcpdump.md
index 75a833d93..e11a705d6 100644
--- a/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/116-tcpdump.md
+++ b/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/116-tcpdump.md
@@ -1 +1,9 @@
-# Tcpdump
\ No newline at end of file
+# Tcpdump
+
+`tcpdump` is a command line tool used for analysing network traffic passing through your system. It can be used to capture and filter packets and display them in a human-readable format. The captured information can be analysed at a later date as well.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink badgeText='Official Documentation' colorScheme='blue' href='https://www.tcpdump.org/manpages/tcpdump.1.html'>tcpdump Documentation</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://opensource.com/article/18/10/introduction-tcpdump'>Basic Introduction to Tcpdump</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://danielmiessler.com/study/tcpdump/'>50 ways to isolate traffic with Tcpdump</BadgeLink>
+<BadgeLink colorScheme='purple' badgeText='Watch' href='https://www.youtube.com/watch?v=7bsQP9sKHrs'>Interpreting Tcpdump output and data</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/118-iptables.md b/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/118-iptables.md
index bcbe89f1f..4527c9f20 100644
--- a/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/118-iptables.md
+++ b/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/118-iptables.md
@@ -1 +1,6 @@
-# Iptables
\ No newline at end of file
+# Iptables
+
+IPtables is a command-line firewall utility that uses policy chains to allow or block traffic that will be enforced by the linux kernel’s netfilter framework. Iptables packet filtering mechanism is organized into three different kinds of structures: tables, chains and targets.
+
+<BadgeLink badgeText='Read' colorScheme='yellow' href='https://www.hostinger.in/tutorials/iptables-tutorial'>Iptables tutorial</BadgeLink>
+<BadgeLink badgeText='Read' colorScheme='yellow' href='https://erravindrapawadia.medium.com/iptables-tutorial-beginners-to-advanced-guide-to-linux-firewall-839e10501759'>Beginners to Advanced Guide Iptables</BadgeLink>
diff --git a/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/134-strace.md b/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/134-strace.md
index ab9d7af81..ecea05a06 100644
--- a/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/134-strace.md
+++ b/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/134-strace.md
@@ -1 +1,7 @@
-# Strace
\ No newline at end of file
+# strace
+
+`strac` is a useful diagnsotic, debugging tool for unix based operating systems. It traces the system calls and signals a processs uses during its lifetime. And usually returns the name of the each system calls , its arguments and what it returned.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://strace.io/'>Strace Official Website</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Official Page' href='https://man7.org/linux/man-pages/man1/strace.1.html'>Strace — Linux manual page</BadgeLink>
diff --git a/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/137-uname.md b/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/137-uname.md
index c7906c4ae..16fa1358f 100644
--- a/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/137-uname.md
+++ b/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/137-uname.md
@@ -1 +1,7 @@
-# Uname
\ No newline at end of file
+# Uname
+
+Uname is a short form of Unix name and it helps to print the system information for both hardware and software in the current running system.
+
+<BadgeLink badgeText='Read' colorScheme='yellow' href='https://www.tutorialspoint.com/unix_commands/uname.htm'>Uname Command Tutorial</BadgeLink>
+<BadgeLink badgeText='Read' colorScheme='yellow' href='https://www.howtoforge.com/linux-uname-command/'>Uname Tutorial For Beginners</BadgeLink>
+<BadgeLink badgeText='Read' colorScheme='yellow' href='https://linuxize.com/post/uname-command-in-linux/'>Uname Command In Linux</BadgeLink>
diff --git a/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/142-ufw.md b/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/142-ufw.md
index 10dff2973..a97bcbaf1 100644
--- a/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/142-ufw.md
+++ b/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/142-ufw.md
@@ -1 +1,8 @@
-# Ufw
\ No newline at end of file
+# UFW
+
+UFW, or *uncomplicated firewall*, is command-line based utility for managing firewall rules in Arch Linux, Debian and Ubuntu. It's aim is to make firewall configuration as simple as possible. It is a frontend for the `iptables` firewalling tool.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink badgeText='Official Documentation' colorScheme='blue' href='https://manpages.ubuntu.com/manpages/trusty/man8/ufw.8.html'>ufw Documentation</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.linux.com/training-tutorials/introduction-uncomplicated-firewall-ufw/'>Basic Introduction to UFW</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.digitalocean.com/community/tutorials/ufw-essentials-common-firewall-rules-and-commands'>UFW Essentials</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/102-devops/content/103-networking-protocols/103-emails/100-white-grey-listing.md b/content/roadmaps/102-devops/content/103-networking-protocols/103-emails/100-white-grey-listing.md
index f7a8c9b52..d046c7346 100644
--- a/content/roadmaps/102-devops/content/103-networking-protocols/103-emails/100-white-grey-listing.md
+++ b/content/roadmaps/102-devops/content/103-networking-protocols/103-emails/100-white-grey-listing.md
@@ -1 +1,9 @@
-# White grey listing
\ No newline at end of file
+# White Listing vs Grey Listing
+
+White listing is a process of adding an email to an approved sender list, so emails from that sender are never moved to the spam folder. This tells an email server to move messages to the inbox directly.
+
+`Greylisting` is a method of protecting e-mail users against spam. A mail transfer agent (MTA) using greylisting will "temporarily reject" any email from a sender it does not recognize. If the mail is legitimate, the originating server will try again after a delay, and the email will be accepted if sufficient time has elapsed.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.cblohm.com/blog/education-marketing-trends/what-is-email-whitelisting/'>Basic Introduction to whitelisting</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://en.wikipedia.org/wiki/Greylisting_(email)'>Detailed Introduction to greylisting</BadgeLink>
diff --git a/content/roadmaps/102-devops/content/105-infrastructure-as-code/102-configuration-management/100-ansible.md b/content/roadmaps/102-devops/content/105-infrastructure-as-code/102-configuration-management/100-ansible.md
index f2d787215..451a4e374 100644
--- a/content/roadmaps/102-devops/content/105-infrastructure-as-code/102-configuration-management/100-ansible.md
+++ b/content/roadmaps/102-devops/content/105-infrastructure-as-code/102-configuration-management/100-ansible.md
@@ -1,8 +1,9 @@
 # Ansible
 
-Ansible is an open-source configuration management, application deployment and provisioning tool that uses it's own declarative language in YAML. Ansible is agentlesse, meaning you only need remote connections via SSH or Windows Remote Management via Powershell in order to function
+Ansible is an open-source configuration management, application deployment and provisioning tool that uses its own declarative language in YAML. Ansible is agentless, meaning you only need remote connections via SSH or Windows Remote Management via Powershell in order to function
 
 
 <BadgeLink badgeText='Official Website' colorScheme='blue' href='https://www.ansible.com/'>Ansible Website</BadgeLink>
 <BadgeLink badgeText='Official Documentation' colorScheme='blue' href='https://docs.ansible.com/'>Official Documentation</BadgeLink>
 <BadgeLink badgeText='Getting Started Guide' colorScheme='blue' href='https://www.ansible.com/resources/get-started'>Ansible Getting Started Guide</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=9Ua2b06oAr4'>Ansible Full Course for Beginners</BadgeLink>
diff --git a/content/roadmaps/102-devops/content/105-infrastructure-as-code/103-infrastructure-provisioning/100-terraform.md b/content/roadmaps/102-devops/content/105-infrastructure-as-code/103-infrastructure-provisioning/100-terraform.md
index 71f9ff0b0..e93fb18d0 100644
--- a/content/roadmaps/102-devops/content/105-infrastructure-as-code/103-infrastructure-provisioning/100-terraform.md
+++ b/content/roadmaps/102-devops/content/105-infrastructure-as-code/103-infrastructure-provisioning/100-terraform.md
@@ -6,3 +6,8 @@ Terraform is an extremely popular open source Infrastructure as Code (IaC) tool
 <BadgeLink badgeText='Official Documentation' colorScheme='blue' href='https://www.terraform.io/docs'>Terraform Documentation</BadgeLink>
 <BadgeLink badgeText='Tutorials' colorScheme='blue' href='https://learn.hashicorp.com/terraform'>Terraform Tutorials</BadgeLink>
 <BadgeLink badgeText='Intro Video' colorScheme='blue' href='https://www.youtube.com/watch?v=h970ZBgKINg&ab_channel=HashiCorp'>Intro to Terraform Video</BadgeLink>
+<BadgeLink badgeText='Official Website' colorScheme='blue' href='https://www.terraform.io/cdktf'>Terraform CDK Website</BadgeLink>
+<BadgeLink badgeText='Read' colorScheme='blue' href='https://www.terraform.io/cdktf/concepts/cdktf-architecture'>What is the CDKTF?</BadgeLink>
+<BadgeLink badgeText='Read' colorScheme='blue' href='https://learn.hashicorp.com/tutorials/terraform/cdktf-install?in=terraform/cdktf'>CDKTF Getting Started Guide</BadgeLink>
+<BadgeLink badgeText='Read' colorScheme='blue' href='https://www.terraform.io/cdktf/examples'>CDKTF Examples</BadgeLink>
+<BadgeLink badgeText='Read' colorScheme="yellow" href='https://thenewstack.io/how-to-scale-your-terraform-infrastructure/'>How to Scale Your Terraform Infrastructure</BadgeLink>
diff --git a/content/roadmaps/102-devops/content/105-infrastructure-as-code/103-infrastructure-provisioning/101-aws-cdk.md b/content/roadmaps/102-devops/content/105-infrastructure-as-code/103-infrastructure-provisioning/101-aws-cdk.md
index ac3e504e0..38c9ad457 100644
--- a/content/roadmaps/102-devops/content/105-infrastructure-as-code/103-infrastructure-provisioning/101-aws-cdk.md
+++ b/content/roadmaps/102-devops/content/105-infrastructure-as-code/103-infrastructure-provisioning/101-aws-cdk.md
@@ -1,6 +1,6 @@
 # AWS CDK
 
-The AWS Cloud Development Kit (AWS CDK) is an open-source software development framework used to provision cloud infrastructure resources in a safe, repeatable manner through AWS CloudFormation.
+The AWS Cloud Development Kit (AWS CDK) is an open-source software development framework used to provision cloud infrastructure resources in a safe, repeatable manner through AWS CloudFormation. AWS CDK offers the flexibility to write infrastructure as code in popular languages like JavaScript, TypeScript, Python, Java, C#, and Go.
 
 <BadgeLink badgeText='Official Website' colorScheme='blue' href='https://aws.amazon.com/cdk/'>AWS CDK Website</BadgeLink>
 <BadgeLink badgeText='Official Documentation' colorScheme='blue' href='https://docs.aws.amazon.com/cdk/index.html'>Official Documentation</BadgeLink>
diff --git a/content/roadmaps/102-devops/content/105-infrastructure-as-code/104-docker-swarm.md b/content/roadmaps/102-devops/content/105-infrastructure-as-code/104-docker-swarm.md
index 7633385c9..4f5d1c63a 100644
--- a/content/roadmaps/102-devops/content/105-infrastructure-as-code/104-docker-swarm.md
+++ b/content/roadmaps/102-devops/content/105-infrastructure-as-code/104-docker-swarm.md
@@ -6,3 +6,6 @@ A Docker Swarm is a group of either physical or virtual machines that are runnin
 <BadgeLink colorScheme='blue' badgeText='Official Website' href='https://www.docker.com/'>Official Website</BadgeLink>
 <BadgeLink colorScheme='blue' badgeText='Documentation' href='https://docs.docker.com/engine/swarm/'>Docker Swarm Documentation</BadgeLink>
 <BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=Tm0Q5zr3FL4'>Docker Swarm Tutorial for Beginners</BadgeLink>
+
+<BadgeLink badgeText='Read' colorScheme="yellow" href='https://thenewstack.io/tutorial-manage-docker-swarm-with-portainer/'>Tutorial: Manage Docker Swarm with Portainer</BadgeLink>
+<BadgeLink badgeText='Read' colorScheme="yellow" href='https://thenewstack.io/tutorial-create-a-docker-swarm-with-persistent-storage-using-glusterfs/'>Tutorial: Create a Docker Swarm with Persistent Storage Using GlusterFS</BadgeLink>
diff --git a/content/roadmaps/102-devops/content/107-monitoring/100-infrastructure-monitoring/102-monit.md b/content/roadmaps/102-devops/content/107-monitoring/100-infrastructure-monitoring/102-monit.md
index f62d8bfa3..d98ca8ae8 100644
--- a/content/roadmaps/102-devops/content/107-monitoring/100-infrastructure-monitoring/102-monit.md
+++ b/content/roadmaps/102-devops/content/107-monitoring/100-infrastructure-monitoring/102-monit.md
@@ -1 +1,12 @@
-# Monit
\ No newline at end of file
+# Monit
+
+Monit is a small Open Source utility for managing and monitoring Unix systems. Monit conducts automatic maintenance and repair and can execute meaningful causal actions in error situations.
+
+Monit has the ability to start a process if it is not running, restart a process if not responding, and stop a process if uses high resources. Additionally, you can also use Monit to monitor files, directories, and filesystems for changes, checksum changes, file size changes, or timestamp changes.
+
+With Monit, you can able to monitor remote hosts’ TCP/IP port, server protocols, and ping. Monit keeps its own log file and alerts about any critical error conditions and recovery status.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Framework Website' href='https://mmonit.com/monit/'>Monit Website</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Read' href='https://mmonit.com/monit/documentation/monit.html'>Monit Official Documentation</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Read' href='https://www.tecmint.com/monit-linux-services-monitoring/'>Monit Tutorial</BadgeLink>
diff --git a/content/roadmaps/102-devops/content/107-monitoring/100-infrastructure-monitoring/readme.md b/content/roadmaps/102-devops/content/107-monitoring/100-infrastructure-monitoring/readme.md
index e543630f8..32178cdac 100644
--- a/content/roadmaps/102-devops/content/107-monitoring/100-infrastructure-monitoring/readme.md
+++ b/content/roadmaps/102-devops/content/107-monitoring/100-infrastructure-monitoring/readme.md
@@ -3,3 +3,6 @@
 Monitoring refers to the practice of making the performance and status of infrastructure visible.  This section contains common tools used for monitoring.
 
 This is a very vendor-heavy space - use caution when studying materials exclusively from a given product or project, as there are many conflicting opinions and strategies in use. There is no single solution for the most substantially complex internet-facing applications, so understanding the pros and cons of these tools will be useful in helping you plan how to monitor a system for a given goal.
+
+<BadgeLink badgeText='Read' colorScheme="yellow" href='https://thenewstack.io/best-practices-to-optimize-infrastructure-monitoring-within-devops-teams/'>Best Practices to Optimize Infrastructure Monitoring within DevOps Teams</BadgeLink>
+<BadgeLink badgeText='Read' colorScheme="yellow" href='https://thenewstack.io/seven-steps-to-effective-cloud-native-infrastructure-monitoring/'>Seven Steps to Effective Cloud Native Infrastructure Monitoring</BadgeLink>
diff --git a/content/roadmaps/102-devops/content/107-monitoring/101-application-monitoring/readme.md b/content/roadmaps/102-devops/content/107-monitoring/101-application-monitoring/readme.md
index baefa276f..cf73d092e 100644
--- a/content/roadmaps/102-devops/content/107-monitoring/101-application-monitoring/readme.md
+++ b/content/roadmaps/102-devops/content/107-monitoring/101-application-monitoring/readme.md
@@ -1,3 +1,6 @@
 # Application Monitoring
 
 Application monitoring refers to the practice of making the status and performance of a given *application* visible. This may include details such as stacktraces, error logs, and the line of code implicated in a given failure. When combined with Infrastructure monitoring, this can provide a complete picture of what is happening in your system, and why.
+
+<BadgeLink badgeText='Read' colorScheme="yellow" href='https://thenewstack.io/applying-basic-vs-advanced-monitoring-techniques/'>Applying Basic vs. Advanced Monitoring Techniques</BadgeLink>
+<BadgeLink badgeText='Read' colorScheme="yellow" href='https://thenewstack.io/why-legacy-apps-need-your-monitoring-love-too/'>Why Legacy Apps Need Your Monitoring Love, Too</BadgeLink>
diff --git a/content/roadmaps/102-devops/content/107-monitoring/102-logs-management/readme.md b/content/roadmaps/102-devops/content/107-monitoring/102-logs-management/readme.md
index 8caacac3f..87a72010a 100644
--- a/content/roadmaps/102-devops/content/107-monitoring/102-logs-management/readme.md
+++ b/content/roadmaps/102-devops/content/107-monitoring/102-logs-management/readme.md
@@ -1 +1,7 @@
-# Logs management
\ No newline at end of file
+# Logs Management
+
+Log management is the process of handling log events generated by all software applications and infrastructure on which they run. It involves log collection, aggregation, parsing, storage, analysis, search, archiving, and disposal, with the ultimate goal of using the data for troubleshooting and gaining business insights, while also ensuring the compliance and security of applications and infrastructure.
+
+<BadgeLink badgeText='Read' colorScheme="yellow" href='https://sematext.com/guides/log-management'>Introduction to Logs Management</BadgeLink>
+<BadgeLink badgeText='Read' colorScheme="yellow" href='https://devops.com/log-management-what-devops-teams-need-to-know/'>Log Management: What DevOps Teams Need to Know</BadgeLink>
+<BadgeLink badgeText='Read' colorScheme="yellow" href='https://thenewstack.io/logging-for-kubernetes-what-to-log-and-how-to-log-it/'>Logging for Kubernetes: What to Log and How to Log It</BadgeLink>
diff --git a/content/roadmaps/102-devops/content/107-monitoring/readme.md b/content/roadmaps/102-devops/content/107-monitoring/readme.md
index 2ddbe89cb..3416ac147 100644
--- a/content/roadmaps/102-devops/content/107-monitoring/readme.md
+++ b/content/roadmaps/102-devops/content/107-monitoring/readme.md
@@ -1 +1,6 @@
-# Monitoring
\ No newline at end of file
+# Monitoring
+
+DevOps monitoring entails overseeing the entire development process from planning, development, integration and testing, deployment, and operations. It involves a complete and real-time view of the status of applications, services, and infrastructure in the production environment. Features such as real-time streaming, historical replay, and visualizations are critical components of application and service monitoring.
+
+<BadgeLink badgeText='Read' colorScheme="yellow" href='https://www.atlassian.com/devops/devops-tools/devops-monitoring'>DevOps Monitoring</BadgeLink>
+<BadgeLink badgeText='Read' colorScheme="yellow" href='https://thenewstack.io/the-hows-whys-and-whats-of-monitoring-microservices/'>The Hows, Whys and Whats of Monitoring Microservices</BadgeLink>
diff --git a/content/roadmaps/102-devops/content/108-cloud-providers/101-google-cloud.md b/content/roadmaps/102-devops/content/108-cloud-providers/101-google-cloud.md
index 9446922ab..9d73e42be 100644
--- a/content/roadmaps/102-devops/content/108-cloud-providers/101-google-cloud.md
+++ b/content/roadmaps/102-devops/content/108-cloud-providers/101-google-cloud.md
@@ -5,3 +5,5 @@ Google Cloud is Google's cloud computing service offering, providing over 150 pr
 <BadgeLink badgeText='Official Website' colorScheme='blue' href='https://cloud.google.com/'>Google Cloud Website</BadgeLink>
 <BadgeLink badgeText='Official Documentation' colorScheme='blue' href='https://cloud.google.com/docs'>Official Documentation</BadgeLink>
 <BadgeLink badgeText='Get Started Guide' colorScheme='blue' href='https://cloud.google.com/docs/get-started/'>Google Cloud Get Started Guide</BadgeLink>
+
+<BadgeLink badgeText='Read' colorScheme="yellow" href='https://thenewstack.io/5-tips-to-become-a-google-cloud-certified-professional-architect/'>5 Tips to Become a Google Cloud Certified Professional Architect</BadgeLink>
diff --git a/content/roadmaps/102-devops/content/109-availability.md b/content/roadmaps/102-devops/content/109-availability.md
index 9ae1629ae..6cbcd1232 100644
--- a/content/roadmaps/102-devops/content/109-availability.md
+++ b/content/roadmaps/102-devops/content/109-availability.md
@@ -1 +1,9 @@
-# Availability
\ No newline at end of file
+# Availability
+
+Availability is the percentage of time that a system is functional and working as intended, generally referred to as uptime. Availability can be affected by hardware or software errors, infrastructure problems, malicious attacks, and system load. Many cloud providers typically offer their users a service level agreement (SLA) that specifies the exact percentages of promised uptime/downtime. Availability is related to reliability in this sense. For example, a company might promise 99.99% uptime for their services.
+
+To achieve high levels of uptime, it is important to eliminate single points of failure so that a single device failure does not disrupt the entire service. High availability in the cloud is often achieved by creating clusters. Clusters are groups of devices (such as servers) that all have access to the same shared storage and function as one single server to provide uninterrupted availability. This way, if one server goes down, the others are able to pick up the load until it comes back online. Clusters can range from two servers to even multiple buildings of servers.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink badgeText='Course' colorScheme='green' href='https://codster.io/en/blog/high-availability-in-the-cloud/'>How High Availability Works in the Cloud</BadgeLink>
+<BadgeLink badgeText='Course' colorScheme='green' href='https://www.sqlservercentral.com/articles/cloud-computing-basics-achieving-high-availability-2'>Techniques for Achieving High Availability</BadgeLink>
diff --git a/content/roadmaps/104-angular/content/100-typescript-basics/100-what-is-typescript.md b/content/roadmaps/104-angular/content/100-typescript-basics/100-what-is-typescript.md
index fbb700b76..804145ccc 100644
--- a/content/roadmaps/104-angular/content/100-typescript-basics/100-what-is-typescript.md
+++ b/content/roadmaps/104-angular/content/100-typescript-basics/100-what-is-typescript.md
@@ -1 +1,9 @@
-# What is typescript
\ No newline at end of file
+# What is Typescript
+
+TypeScript is a strongly typed, object-oriented, compiled programming language that builds on JavaScript. It is a superset of the JavaScript language, designed to give you better tooling at any scale. TypeScript calls itself “JavaScript with syntax for types.” In short, it is JavaScript with some additional features. The secret to the success of TypeScript is in the type checking, ensuring that the data flowing through the program is of the correct kind of data.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink badgeText='Read' colorScheme='yellow' href='https://thenewstack.io/what-is-typescript/'>What is TypeScript</BadgeLink>
+<BadgeLink badgeText='Read' colorScheme="yellow" href='https://www.w3schools.com/typescript/'>W3Schools – TypeScript Tutorial</BadgeLink>
+<BadgeLink badgeText='Read' colorScheme="yellow" href='https://www.tutorialspoint.com/typescript/index.htm'>Tutorials point – TypeScript Tutorial</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=d56mG7DezGs'>TypeScript Crash Course for Beginners</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/104-angular/content/100-typescript-basics/101-why-use-typescript.md b/content/roadmaps/104-angular/content/100-typescript-basics/101-why-use-typescript.md
index db8a72abc..7fc3f4253 100644
--- a/content/roadmaps/104-angular/content/100-typescript-basics/101-why-use-typescript.md
+++ b/content/roadmaps/104-angular/content/100-typescript-basics/101-why-use-typescript.md
@@ -1 +1,7 @@
-# Why use typescript
\ No newline at end of file
+# Why use TypeScript
+
+TypeScript extends JavaScript, providing a better developer experience. The benefits of using TypeScript over JavaScript include.Static typing – TypeScript comes with optional static typing and a type inference system, which means that a variable declared with no type may be inferred by TypeScript based on its value. Object-oriented programming – TypeScript supports object-oriented programming concepts like classes, inheritance, etc. Compile time checks – JavaScript is an interpreted programming language. There is no compilation involved. Hence, the errors get caught during the runtime. Since TypeScript compiles into JavaScript, errors get reported during the compile time rather than the runtime. Code editor support – IDEs or code editors like VS Code support autocomplete for a TypeScript codebase. They also provide inline documentation and highlight the errors. Use existing packages – You might want to use an npm package written in JavaScript. Since TypeScript is a superset of JavaScript, you can import and use that package. Moreover, the TypeScript community creates and maintains type definitions for popular packages that can be utilized in your project.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink badgeText='Read' colorScheme='yellow' href='https://linguinecode.com/post/5-reasons-why-to-use-typescript'>linguinecode - Reasons to use TypeScript</BadgeLink>
+<BadgeLink badgeText='Read' colorScheme='yellow' href='https://www.codemotion.com/magazine/backend/why-you-should-use-typescript-for-your-next-project/'>Codemotion - Reasons to use TypeScript</BadgeLink>
diff --git a/content/roadmaps/104-angular/content/100-typescript-basics/102-structural-typing.md b/content/roadmaps/104-angular/content/100-typescript-basics/102-structural-typing.md
index d5f545dad..7c9c2cd38 100644
--- a/content/roadmaps/104-angular/content/100-typescript-basics/102-structural-typing.md
+++ b/content/roadmaps/104-angular/content/100-typescript-basics/102-structural-typing.md
@@ -1 +1,11 @@
-# Structural typing
\ No newline at end of file
+# Structural Typing
+
+Type compatibility in TypeScript is based on structural subtyping. `Structural typing` is a way of relating types based solely on their members. This is in contrast with nominal typing. 
+
+TypeScript’s structural type system was designed based on how JavaScript code is typically written. Because JavaScript widely uses anonymous objects like function expressions and object literals, it’s much more natural to represent the relationships found in JavaScript libraries with a structural type system instead of a nominal one.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://medium.com/redox-techblog/structural-typing-in-typescript-4b89f21d6004'>Structural typings — Medium</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.typescriptlang.org/docs/handbook/type-compatibility.html'>Structural typings — Typescriptlang</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=kWtwsX_rT3k'>Structural typing video for Beginners</BadgeLink>
+
diff --git a/content/roadmaps/104-angular/content/100-typescript-basics/103-type-inference.md b/content/roadmaps/104-angular/content/100-typescript-basics/103-type-inference.md
index b38016d0d..57c0b6886 100644
--- a/content/roadmaps/104-angular/content/100-typescript-basics/103-type-inference.md
+++ b/content/roadmaps/104-angular/content/100-typescript-basics/103-type-inference.md
@@ -1 +1,7 @@
-# Type inference
\ No newline at end of file
+# Type Inference
+
+In TypeScript, several places where `type inference` is used to provide type information when there is no explicit type annotation. The type of the x variable is inferred to be a number. This inference occurs when variables and members are initialized, set parameter default values are, and determine function return types. For example, `let x: number`. In most cases, type inference is straightforward. In the following sections, we’ll explore some nuances in how types are inferred. For example, `let x: (number | null)[]`
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink badgeText='Read' colorScheme='yellow' href='https://www.typescriptlang.org/docs/handbook/type-inference.html'>Type Interface - typescriptlang</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=3ui_st7rtfA'>Type Inference video for Beginners</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/104-angular/content/100-typescript-basics/104-union-types.md b/content/roadmaps/104-angular/content/100-typescript-basics/104-union-types.md
index 68d004f8b..998cfd41c 100644
--- a/content/roadmaps/104-angular/content/100-typescript-basics/104-union-types.md
+++ b/content/roadmaps/104-angular/content/100-typescript-basics/104-union-types.md
@@ -1 +1,7 @@
-# Union types
\ No newline at end of file
+# Union Types
+
+In TypeScript, we can define a variable that can have multiple types of values. In other words, TypeScript can combine one or two types of data (i.e., number, string, etc.) in a single type, a union type. Union types are a powerful way to express a variable with multiple types. Two or more data types can be combined using the pipe ('|') symbol between the types. For example,  `(type1 | type2 | type3 | .. | typeN)`. 
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink badgeText='Read' colorScheme='yellow' href='https://www.typescriptlang.org/docs/handbook/unions-and-intersections.html'>Union Types - typescriptlang</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=uxjpm4W5pCo'>Union Type video for Beginners</BadgeLink>
diff --git a/content/roadmaps/104-angular/content/100-typescript-basics/105-builtin-types.md b/content/roadmaps/104-angular/content/100-typescript-basics/105-builtin-types.md
index 241fe4570..4f90e8a04 100644
--- a/content/roadmaps/104-angular/content/100-typescript-basics/105-builtin-types.md
+++ b/content/roadmaps/104-angular/content/100-typescript-basics/105-builtin-types.md
@@ -1 +1,7 @@
-# Builtin types
\ No newline at end of file
+# Builtin Types
+
+The Builtin types represent the different types of values supported by the language. The builtin types check the validity of the supplied values before they are stored or manipulated by the program. This ensures that the code behaves as expected. The Builtin types further allow for richer code hinting and automated documentation too.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink badgeText='Read' colorScheme='yellow' href='https://www.tutorialspoint.com/typescript/typescript_types.htm'>TypeScript Types - Tutorialspoint</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=Nt9ajBrqV_M'>Builtin Type video for Beginners</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/104-angular/content/100-typescript-basics/106-type-guard.md b/content/roadmaps/104-angular/content/100-typescript-basics/106-type-guard.md
index f1cebe6af..d482e65a6 100644
--- a/content/roadmaps/104-angular/content/100-typescript-basics/106-type-guard.md
+++ b/content/roadmaps/104-angular/content/100-typescript-basics/106-type-guard.md
@@ -1 +1,10 @@
-# Type guard
\ No newline at end of file
+# Type Guard
+
+A type guard is a TypeScript technique used to get information about the type of a variable, usually within a conditional block. Type guards are regular functions that return a boolean, taking a type and telling TypeScript if it can be narrowed down to something more specific. Type guards have the unique property of assuring that the value tested is of a set type depending on the returned boolean.
+
+TypeScript uses built-in JavaScript operators like `typeof`, `instanceof`, and the `in` operator, which is used to determine if an object contains a property. Type guards enable you to instruct the TypeScript compiler to infer a specific type for a variable in a particular context, ensuring that the type of an argument is what you say it is.
+
+Type guards are typically used for narrowing a type and are pretty similar to feature detection, allowing you to detect the correct methods, prototypes, and properties of a value. Therefore, you can quickly figure out how to handle that value.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink badgeText='Read' colorScheme='yellow' href='https://blog.logrocket.com/how-to-use-type-guards-typescript/'>Types Guards - Blog</BadgeLink>
diff --git a/content/roadmaps/104-angular/content/100-typescript-basics/readme.md b/content/roadmaps/104-angular/content/100-typescript-basics/readme.md
index 5c471a2c6..18c0d1996 100644
--- a/content/roadmaps/104-angular/content/100-typescript-basics/readme.md
+++ b/content/roadmaps/104-angular/content/100-typescript-basics/readme.md
@@ -1 +1,4 @@
-# Typescript basics
\ No newline at end of file
+# Typescript Basics
+
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://medium.com/jspoint/typescript-a-beginners-guide-6956fe8bcf9e'>Typescript a Beginners Guide</BadgeLink>
+<BadgeLink colorScheme='green' badgeText='Compiler' href='https://www.typescriptlang.org/play'>Typescript Playground</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/104-angular/content/102-angular-basics/100-angularjs-vs-angular.md b/content/roadmaps/104-angular/content/102-angular-basics/100-angularjs-vs-angular.md
index 43c981a6c..5008965a7 100644
--- a/content/roadmaps/104-angular/content/102-angular-basics/100-angularjs-vs-angular.md
+++ b/content/roadmaps/104-angular/content/102-angular-basics/100-angularjs-vs-angular.md
@@ -1 +1,7 @@
-# Angularjs vs angular
\ No newline at end of file
+# AngularJS vs. Angular
+
+AngularJS was the older version of Angular, whose support officially ended in January 2022. Angular is a component-based front-end development framework built on TypeScript, which includes a collection of well-integrated libraries that include features like routing, forms management, client-server communication, and more.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://angularjs.org/'>AngularJS Website</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://angular.io/start'>Official - Getting started with Angular</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/104-angular/content/102-angular-basics/101-angular-components.md b/content/roadmaps/104-angular/content/102-angular-basics/101-angular-components.md
index 1780d85ad..37e779033 100644
--- a/content/roadmaps/104-angular/content/102-angular-basics/101-angular-components.md
+++ b/content/roadmaps/104-angular/content/102-angular-basics/101-angular-components.md
@@ -1 +1,12 @@
-# Angular components
\ No newline at end of file
+# Angular Components
+
+Components are the main building block for Angular applications. Each component consists of:
+
+* An HTML template that declares what renders on the page
+* A TypeScript class that defines the behavior
+* A CSS selector that defines how the component is used in a template
+* Optionally, CSS styles applied to the template
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://angular.io/guide/component-overview'>Angular Components Overview</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=x5PZwb4XurU'>Standalone Components in Angular</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/104-angular/content/102-angular-basics/102-angular-templates.md b/content/roadmaps/104-angular/content/102-angular-basics/102-angular-templates.md
index 9eedb2e4e..89530de91 100644
--- a/content/roadmaps/104-angular/content/102-angular-basics/102-angular-templates.md
+++ b/content/roadmaps/104-angular/content/102-angular-basics/102-angular-templates.md
@@ -1 +1,7 @@
-# Angular templates
\ No newline at end of file
+# Angular Templates
+
+A Template is a form of HTML which tells Angular to go towards another component. To create many Angular features, special syntax within the templates is used.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://angular.io/guide/template-overview'>Understanding Templates</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://angular.io/guide/template-syntax'>Template Syntax</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/104-angular/content/102-angular-basics/103-angular-modules.md b/content/roadmaps/104-angular/content/102-angular-basics/103-angular-modules.md
index 9005f0182..45e8a9dde 100644
--- a/content/roadmaps/104-angular/content/102-angular-basics/103-angular-modules.md
+++ b/content/roadmaps/104-angular/content/102-angular-basics/103-angular-modules.md
@@ -1 +1,6 @@
-# Angular modules
\ No newline at end of file
+# Angular Modules
+
+Modules in Angular act like a container where we can group the components, directives, pipes, and services, related to the application.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://angular.io/guide/architecture-modules'>Introduction to Modules</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/104-angular/content/102-angular-basics/104-dependency-injection.md b/content/roadmaps/104-angular/content/102-angular-basics/104-dependency-injection.md
index 450bde1c7..cbf714dbf 100644
--- a/content/roadmaps/104-angular/content/102-angular-basics/104-dependency-injection.md
+++ b/content/roadmaps/104-angular/content/102-angular-basics/104-dependency-injection.md
@@ -1 +1,7 @@
-# Dependency injection
\ No newline at end of file
+# Dependency Injection
+
+Dependency Injection is one of the fundamental concepts in Angular. DI is wired into the Angular framework and allows classes with Angular decorators, such as Components, Directives, Pipes, and Injectables, to configure dependencies that they need.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://angular.io/guide/dependency-injection'>Understanding Dependency Injection</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://angular.io/guide/dependency-injection-in-action'>Dependency Injection in Action</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/104-angular/content/103-angular-cli/100-ng-build.md b/content/roadmaps/104-angular/content/103-angular-cli/100-ng-build.md
index 3ede36d2c..9b2972204 100644
--- a/content/roadmaps/104-angular/content/103-angular-cli/100-ng-build.md
+++ b/content/roadmaps/104-angular/content/103-angular-cli/100-ng-build.md
@@ -1 +1,7 @@
-# Ng build
\ No newline at end of file
+# Ng build
+
+The command can be used to build a project of type "application" or "library". When used to build a library, a different builder is invoked, and only the ts-config, configuration, and watch options are applied. All other options apply only to building applications.
+
+<ResourceGroupTitle>Free Resources</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://angular.io/cli/build'>Ng Build - Angular.io</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='watch' href='https://www.youtube.com/watch?v=VB6WuCPDwz0'>Building an Angular project</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/104-angular/content/103-angular-cli/101-ng-serve.md b/content/roadmaps/104-angular/content/103-angular-cli/101-ng-serve.md
index 1f0509136..b55cc6790 100644
--- a/content/roadmaps/104-angular/content/103-angular-cli/101-ng-serve.md
+++ b/content/roadmaps/104-angular/content/103-angular-cli/101-ng-serve.md
@@ -1 +1,7 @@
-# Ng serve
\ No newline at end of file
+# Ng serve
+
+ng serve — This command builds, deploy, serves and every time watches your code changes. if find any change in code it builds and serves that code automatically. How do Angular builds? After coding our Angular apps using TypeScript, we use the Angular CLI command to build the app.
+
+<ResourceGroupTitle>Free Resources</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://angular.io/cli/serve'>Ng serve - Angular.io</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='watch' href='https://www.youtube.com/watch?v=-w-RfHcLt5U'>Running a project with ng serve</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/104-angular/content/103-angular-cli/102-ng-generate.md b/content/roadmaps/104-angular/content/103-angular-cli/102-ng-generate.md
index 57de07068..94392ef86 100644
--- a/content/roadmaps/104-angular/content/103-angular-cli/102-ng-generate.md
+++ b/content/roadmaps/104-angular/content/103-angular-cli/102-ng-generate.md
@@ -1 +1,8 @@
-# Ng generate
\ No newline at end of file
+# Ng generate
+
+ng generate is used to create the component in angular project. These are the two main ways to generate a new component in Angular: using ng g c <component_name>, and using ng generate component <component_name>. Using either of these two commands, the new component can be generated pretty easily and followed by the suitable component name of your choice.
+
+
+<ResourceGroupTitle>Free Resources</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://angular.io/cli/generate'>Ng generate - Angular.io</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='watch' href='https://www.youtube.com/watch?v=NlHlu_zzmo4'>Angular cli generate component</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/104-angular/content/103-angular-cli/103-ng-test.md b/content/roadmaps/104-angular/content/103-angular-cli/103-ng-test.md
index fd32cc8a6..67da9598a 100644
--- a/content/roadmaps/104-angular/content/103-angular-cli/103-ng-test.md
+++ b/content/roadmaps/104-angular/content/103-angular-cli/103-ng-test.md
@@ -1 +1,10 @@
-# Ng test
\ No newline at end of file
+# Ng test
+
+ng test is used to runs unit tests in angular project.
+
+`ng test <project> [options]` | `ng t <project> [options]`
+
+
+<ResourceGroupTitle>Free Resources</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://angular.io/cli/test'>Ng test - Angular.io</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='watch' href='https://www.youtube.com/watch?v=n1O_eRwzRKA'>Angular Ng test commands</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/104-angular/content/103-angular-cli/104-ng-e2e.md b/content/roadmaps/104-angular/content/103-angular-cli/104-ng-e2e.md
index 3aa9dd551..c32c0dc88 100644
--- a/content/roadmaps/104-angular/content/103-angular-cli/104-ng-e2e.md
+++ b/content/roadmaps/104-angular/content/103-angular-cli/104-ng-e2e.md
@@ -1 +1,7 @@
-# Ng e2e
\ No newline at end of file
+# Ng e2e
+
+End-to-end testing (E2E) of Angular applications is performed using the Protractor testing framework, which is created by the Angular team themselves. Protractor can perform end to end tests on Angular applications that are running in a real browser by interacting with it, similar to that of an end-user.
+
+<ResourceGroupTitle>Free Resources</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://angular.io/cli/e2e'>Ng e2e - Angular.io</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='watch' href='https://www.youtube.com/watch?v=3vFnhzEGfew'>Angular cli generate component</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/104-angular/content/103-angular-cli/105-ng-new.md b/content/roadmaps/104-angular/content/103-angular-cli/105-ng-new.md
index bfb508d18..25a555889 100644
--- a/content/roadmaps/104-angular/content/103-angular-cli/105-ng-new.md
+++ b/content/roadmaps/104-angular/content/103-angular-cli/105-ng-new.md
@@ -1 +1,11 @@
-# Ng new
\ No newline at end of file
+# Ng new
+
+`$ ng new [name]`
+
+That’s the default usage of the command and creating a new project folder with name. The project which is created in that folder is containing:
+
+The default Angular project, All dependencies installed in node_modules folder , Testing files for each components
+
+<ResourceGroupTitle>Free Resources</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://angular.io/cli/new'>Ng New - Angular.io</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='watch' href='https://www.youtube.com/watch?v=NdEpZezptkQ'>ng New command</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/104-angular/content/103-angular-cli/readme.md b/content/roadmaps/104-angular/content/103-angular-cli/readme.md
index 5e1e4b333..65ab5bf61 100644
--- a/content/roadmaps/104-angular/content/103-angular-cli/readme.md
+++ b/content/roadmaps/104-angular/content/103-angular-cli/readme.md
@@ -1 +1,9 @@
-# Angular cli
\ No newline at end of file
+# Angular CLI
+
+The Angular CLI is a command-line interface tool that you use to initialize, develop, scaffold, and maintain Angular applications directly from a command shell. we can install angular latest CLI using the following command 
+
+`npm install -g @angular/cli`
+
+<ResourceGroupTitle>Free Resources</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://angular.io/cli'>Angular CLI - Angular.io</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='watch' href='https://www.youtube.com/watch?v=mZnzX3J5XKI'>Angular CLI - setup</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/104-angular/content/106-forms/100-reactive-forms.md b/content/roadmaps/104-angular/content/106-forms/100-reactive-forms.md
index 10ffb066a..f2d47debc 100644
--- a/content/roadmaps/104-angular/content/106-forms/100-reactive-forms.md
+++ b/content/roadmaps/104-angular/content/106-forms/100-reactive-forms.md
@@ -1 +1,9 @@
-# Reactive forms
\ No newline at end of file
+# Reactive Forms
+
+Reactive Forms in angular are those which used to handle the inputs coming from the user. We can define controls by using classes such as FormGroup and FormControl. 
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Documentation' href='https://angular.io/guide/reactive-forms'>Reactive forms - Angular</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.javatpoint.com/angular-reactive-forms'>Angular Reactive Forms</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.digitalocean.com/community/tutorials/angular-reactive-forms-introduction'>How To Use Reactive Forms in Angular</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=8k4ctDmVn7w'>Reactive Form in Angular</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/104-angular/content/106-forms/101-template-driven-forms.md b/content/roadmaps/104-angular/content/106-forms/101-template-driven-forms.md
index 206e64697..bd66873fb 100644
--- a/content/roadmaps/104-angular/content/106-forms/101-template-driven-forms.md
+++ b/content/roadmaps/104-angular/content/106-forms/101-template-driven-forms.md
@@ -1 +1,11 @@
-# Template driven forms
\ No newline at end of file
+# Template Driven Forms
+
+A Template driven form is the simplest form we can build in Angular. It is mainly used for creating simple form application. 
+
+It uses two-way data-binding (ngModel) to create and handle the form components.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Documentation' href='https://angular.io/guide/forms'>Building a template-driven form</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://codecraft.tv/courses/angular/forms/template-driven/'>Template-Driven Forms</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=whr14XxB8-M'>Template driven form</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=cVd4ZCIXprs'>Template driven form Validations</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/104-angular/content/106-forms/readme.md b/content/roadmaps/104-angular/content/106-forms/readme.md
index 4c010a860..0ce99de07 100644
--- a/content/roadmaps/104-angular/content/106-forms/readme.md
+++ b/content/roadmaps/104-angular/content/106-forms/readme.md
@@ -1 +1,11 @@
-# Forms
\ No newline at end of file
+# Forms
+
+Forms are used to handle user inputs in many applications. It enables users from entering sensitive information to performing several data entry tasks.
+
+Angular provides two forms to hadle user inputs: reactive forms and template-driven forms.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Documentation' href='https://angular.io/guide/forms-overview'>Introduction to forms in Angular</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.w3schools.com/angular/angular_forms.asp'>Angular Forms</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=-bGgjgx3fGs'>Angular Forms Tutorial</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=hAaoPOx_oIw'>Building Forms in Angular Apps</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/104-angular/content/107-routing/105-lazy-loading.md b/content/roadmaps/104-angular/content/107-routing/105-lazy-loading.md
index 5d92f6288..67a72d995 100644
--- a/content/roadmaps/104-angular/content/107-routing/105-lazy-loading.md
+++ b/content/roadmaps/104-angular/content/107-routing/105-lazy-loading.md
@@ -1 +1,7 @@
-# Lazy loading
\ No newline at end of file
+# Lazy loading
+
+Lazy loading is a technique in Angular that allows you to load JavaScript components asynchronously when a specific route is activated. It improves the application load time speed by splitting the application into several bundles. The bundles are loaded as required when the user navigates through the app.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://angular.io/guide/lazy-loading-ngmodules'>What is Lazy loading ? - Angular.io </BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=JjIQq9lh-Bw'>Angular Tutorial - Lazy Loading</BadgeLink>
diff --git a/content/roadmaps/104-angular/content/107-routing/readme.md b/content/roadmaps/104-angular/content/107-routing/readme.md
index 5904c1e21..06b729f8e 100644
--- a/content/roadmaps/104-angular/content/107-routing/readme.md
+++ b/content/roadmaps/104-angular/content/107-routing/readme.md
@@ -1 +1,8 @@
-# Routing
\ No newline at end of file
+# Routing
+
+Routing in Angular allows the users to create a single-page application with multiple views and navigation between them. Users can switch between these views without losing the application state and properties.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.geeksforgeeks.org/routing-in-angular-9-10/'>What is Routing ? - Geeksforgeeks </BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://angular.io/guide/router'>Explanation of Routing ? - Angular.io </BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=Nehk4tBxD4o'>Angular Tutorial - Routing and Navigation</BadgeLink>
diff --git a/content/roadmaps/104-angular/content/108-services-remote-data/100-dependency-injection.md b/content/roadmaps/104-angular/content/108-services-remote-data/100-dependency-injection.md
index 450bde1c7..8563e8280 100644
--- a/content/roadmaps/104-angular/content/108-services-remote-data/100-dependency-injection.md
+++ b/content/roadmaps/104-angular/content/108-services-remote-data/100-dependency-injection.md
@@ -1 +1,8 @@
-# Dependency injection
\ No newline at end of file
+# Dependency Injection
+
+Dependency Injection (DI) is a design pattern that creates the dependencies of a class and provides those objects to the class when required. Angular being a nice framework, provides a built-in dependency injection mechanism that creates and provides a runtime version of a dependency value using dependency injectors.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://angular.io/guide/dependency-injection'>What is Dependency Injection ? - angular.io </BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=OFPIGlxunL0'>Introduction of Dependency injection</BadgeLink>
+
diff --git a/content/roadmaps/104-angular/content/108-services-remote-data/readme.md b/content/roadmaps/104-angular/content/108-services-remote-data/readme.md
index b66ecd41f..0fd240f20 100644
--- a/content/roadmaps/104-angular/content/108-services-remote-data/readme.md
+++ b/content/roadmaps/104-angular/content/108-services-remote-data/readme.md
@@ -1 +1,7 @@
-# Services remote data
\ No newline at end of file
+# Services
+
+Components shouldn't fetch or save data directly and shouldn't knowingly present fake data. They should focus on presenting data and delegate data access to a service. Service is where all the remote API calls exist to retrieve and provide data to components.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://angular.io/tutorial/toh-pt4'>Adding Services in Angular</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://angular.io/tutorial/toh-pt6'>Get Data from Server</BadgeLink>
diff --git a/content/roadmaps/104-angular/content/109-lifecycle-hooks.md b/content/roadmaps/104-angular/content/109-lifecycle-hooks.md
index 08c5ee17c..d9d100762 100644
--- a/content/roadmaps/104-angular/content/109-lifecycle-hooks.md
+++ b/content/roadmaps/104-angular/content/109-lifecycle-hooks.md
@@ -1 +1,13 @@
-# Lifecycle hooks
\ No newline at end of file
+# Lifecycle hooks
+
+A component instance has a lifecycle that starts when Angular instantiates the component class and renders the component view along with its child views. The lifecycle continues with change detection, as Angular checks to see when data-bound properties change, and updates both the view and the component instance as needed. The lifecycle ends when Angular destroys the component instance and removes its rendered template from the DOM. Directives have a similar lifecycle, as Angular creates, updates, and destroys instances in the course of execution.
+
+Your application can use lifecycle hook methods to tap into key events in the lifecycle of a component or directive to initialize new instances, initiate change detection when needed, respond to updates during change detection, and clean up before deletion of instances.
+
+The following life cycle hooks of angular are : 
+
+`OnChanges` , `OnInit` , `DoCheck` , `OnDestroy` , `AfterContentInit` , `AfterContentChecked` , `AfterViewInit` , `AfterViewChecked`
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://angular.io/guide/lifecycle-hooks'>What is Life Cycle Hooks? - Angular.io </BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://blog.logrocket.com/angular-lifecycle-hooks/'>The life cycle hooks of angular - Blog </BadgeLink>
diff --git a/content/roadmaps/104-angular/content/110-state-management/100-ngxs.md b/content/roadmaps/104-angular/content/110-state-management/100-ngxs.md
index f57c4c61d..223125cb3 100644
--- a/content/roadmaps/104-angular/content/110-state-management/100-ngxs.md
+++ b/content/roadmaps/104-angular/content/110-state-management/100-ngxs.md
@@ -1 +1,9 @@
-# Ngxs
\ No newline at end of file
+# Ngxs
+
+Ngxs is a state management pattern for the Angular framework. It acts as a single source of truth for our application. Ngxs is very simple and easily implementable. It reduce lots of boilerplate code . It is a replacement for Ngrx. In Ngrx we are creating state, action, reducer, and effects but in Ngxs, we are creating only state and actions instead of all of this. Like Ngrx, Ngxs is also asynchronous and when we dispatch any action we can get a response back.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.ngxs.io/'>What is NGXS ? - Ngxs.io </BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://medium.com/@knoldus/introduction-to-ngxs-state-management-pattern-library-for-angular-ec76f681ceba'>Details about NGXS - Medium </BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=SGj11j4hxmg'>Practise of NGXS</BadgeLink>
+
diff --git a/content/roadmaps/104-angular/content/110-state-management/101-ngrx.md b/content/roadmaps/104-angular/content/110-state-management/101-ngrx.md
index 30c9ae709..a4bd256e7 100644
--- a/content/roadmaps/104-angular/content/110-state-management/101-ngrx.md
+++ b/content/roadmaps/104-angular/content/110-state-management/101-ngrx.md
@@ -1 +1,8 @@
-# Ngrx
\ No newline at end of file
+# Ngrx
+
+Ngrx is a group of Angular libraries for reactive extensions that implements the Redux pattern and it’s supercharged with RXJS.
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://ngrx.io/'>What is NGRX ? - ngrx.io </BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://ahmedrebai.medium.com/introduction-to-state-management-with-ngrx-and-angular-91f4ff27ec9f'>Details about NGRX - Medium </BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=f97ICOaekNU'>Practise of NGRX</BadgeLink>
+
diff --git a/content/roadmaps/104-angular/content/110-state-management/readme.md b/content/roadmaps/104-angular/content/110-state-management/readme.md
index c9ab9d07b..3bb91f719 100644
--- a/content/roadmaps/104-angular/content/110-state-management/readme.md
+++ b/content/roadmaps/104-angular/content/110-state-management/readme.md
@@ -1 +1,9 @@
-# State management
\ No newline at end of file
+# State Management
+
+Application state management is the process of maintaining knowledge of an application's inputs across multiple related data flows that form a complete business transaction -- or a session -- to understand the condition of the app at any given moment. In computer science, an input is information put into the program by the user and state refers to the condition of an application according to its stored inputs -- saved as variables or constants. State can also be described as the collection of preserved information that forms a complete session.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.techtarget.com/searchapparchitecture/definition/state-management'>What is State Management?</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://blog.logrocket.com/angular-state-management-made-simple-with-ngrx/'> Angular state management made simple with NgRx</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.syncfusion.com/blogs/post/angular-state-management-with-ngrx.aspx'>Angular State Management with NgRx</BadgeLink>
diff --git a/content/roadmaps/104-angular/content/112-creating-a-custom-x/100-directive.md b/content/roadmaps/104-angular/content/112-creating-a-custom-x/100-directive.md
index 677742e3b..e3891c2b8 100644
--- a/content/roadmaps/104-angular/content/112-creating-a-custom-x/100-directive.md
+++ b/content/roadmaps/104-angular/content/112-creating-a-custom-x/100-directive.md
@@ -1 +1,9 @@
-# Directive
\ No newline at end of file
+# Directive
+
+Directives are the functions that will execute whenever the Angular compiler finds them. Angular Directives enhance the capability of HTML elements by attaching custom behaviors to the DOM.
+
+From the core concept, Angular directives are categorized into three categories: Attribute Directives, Structural Directives, and Component Directives.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink badgeText='Read' colorScheme='yellow' href='https://www.freecodecamp.org/news/angular-directives-learn-how-to-use-or-create-custom-directives-in-angular-c9b133c24442/'>Create a custom directive - Freecodecamp</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=AoN56g6UAsE'>Create a custom directive video for Beginners</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/104-angular/content/112-creating-a-custom-x/101-pipe.md b/content/roadmaps/104-angular/content/112-creating-a-custom-x/101-pipe.md
index 0f4544dfb..256134a02 100644
--- a/content/roadmaps/104-angular/content/112-creating-a-custom-x/101-pipe.md
+++ b/content/roadmaps/104-angular/content/112-creating-a-custom-x/101-pipe.md
@@ -1 +1,7 @@
-# Pipe
\ No newline at end of file
+# Custom Pipes
+
+Pipes to transform strings, currency amounts, dates, and other data for display. Pipes are simple functions in template expressions to accept an input value and return a transformed value. Pipes are helpful because you can use them throughout your application while only declaring each pipe once. For example, you would use a pipe to show the date as April 15, 1988, rather than the raw string format.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink badgeText='Read' colorScheme='yellow' href='https://angular.io/guide/pipes-custom-data-trans'>Create a custom pipe - angular.io</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=P2587FN4Y0w'>Create a custom pipe video for Beginners</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/106-javascript/content/100-javascript-introduction/100-what-is-javascript.md b/content/roadmaps/106-javascript/content/100-javascript-introduction/100-what-is-javascript.md
index 007c477e0..fc2389719 100644
--- a/content/roadmaps/106-javascript/content/100-javascript-introduction/100-what-is-javascript.md
+++ b/content/roadmaps/106-javascript/content/100-javascript-introduction/100-what-is-javascript.md
@@ -1,6 +1,6 @@
 # What is JavaScript?
 
-JavaScript, often abbreviated JS, is a programming language that is one of the core technologies of the World Wide Web, alongside HTML and CSS. It lets us add interactivity to pages e.g. you might have seen sliders, alerts, click interactions, popups, etc on different websites -- all of that is built using JavaScript. Apart from being used in the browser, it is also used in other non-browser environments as well such as Node.js for writing server-side code in JavaScript, Electron for writing desktop applications, React Native for mobile applications, and so on. 
+JavaScript, often abbreviated JS, is a programming language that is one of the core technologies of the World Wide Web, alongside HTML and CSS. It lets us add interactivity to pages e.g. you might have seen sliders, alerts, click interactions, popups, etc on different websites -- all of that is built using JavaScript. Apart from being used in the browser, it is also used in other non-browser environments as well such as Node.js for writing server-side code in JavaScript, Electron for writing desktop applications, React Native for mobile applications, and so on.
 
 <ResourceGroupTitle>Free Content</ResourceGroupTitle>
 <BadgeLink badgeText='Read' colorScheme='yellow' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript'>JavaScript MDN Docs</BadgeLink>
@@ -10,4 +10,3 @@ JavaScript, often abbreviated JS, is a programming language that is one of the c
 <BadgeLink badgeText='Read' colorScheme="yellow" href='https://exploringjs.com/'>Exploring JS: JavaScript books for programmers</BadgeLink>
 <BadgeLink badgeText='Watch' href='https://youtu.be/hdI2bqOjy3c?t=2'>JavaScript Crash Course for Beginners</BadgeLink>
 <BadgeLink badgeText='Watch' href='https://youtu.be/P7t13SGytRk?t=22'>Build a Netflix Landing Page Clone with HTML, CSS & JS</BadgeLink>
-
diff --git a/content/roadmaps/106-javascript/content/100-javascript-introduction/101-history-of-javascript.md b/content/roadmaps/106-javascript/content/100-javascript-introduction/101-history-of-javascript.md
index 0a30ca884..e4c9ffeb2 100644
--- a/content/roadmaps/106-javascript/content/100-javascript-introduction/101-history-of-javascript.md
+++ b/content/roadmaps/106-javascript/content/100-javascript-introduction/101-history-of-javascript.md
@@ -4,7 +4,4 @@ JavaScript was initially created by Brendan Eich of NetScape and was first annou
 
 <ResourceGroupTitle>Free Content</ResourceGroupTitle>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://roadmap.sh/guides/history-of-javascript'>Brief History of JavaScript</BadgeLink>
-<BadgeLink colorScheme='yellow' badgeText='Read' href='https://dev.to/iarchitsharma/the-history-of-javascript-5e98'>The History of JavaScript</BadgeLink>
-
-
-
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://dev.to/iarchitsharma/the-history-of-javascript-5e98'>The History of JavaScript</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/106-javascript/content/100-javascript-introduction/102-javascript-versions.md b/content/roadmaps/106-javascript/content/100-javascript-introduction/102-javascript-versions.md
index baaedaa17..37c0f2709 100644
--- a/content/roadmaps/106-javascript/content/100-javascript-introduction/102-javascript-versions.md
+++ b/content/roadmaps/106-javascript/content/100-javascript-introduction/102-javascript-versions.md
@@ -4,6 +4,4 @@ JavaScript was invented by Brendan Eich, and in 1997 and became an ECMA standard
 
 <ResourceGroupTitle>Free Content</ResourceGroupTitle>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.educative.io/blog/javascript-versions-history'>JavaScript Versions: How JavaScript has changed over the years</BadgeLink>
-<BadgeLink colorScheme='yellow' badgeText='Read' href='https://roadmap.sh/guides/history-of-javascript'>Brief History of JavaScript</BadgeLink>
-
-
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://roadmap.sh/guides/history-of-javascript'>Brief History of JavaScript</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/106-javascript/content/100-javascript-introduction/103-how-to-run-javascript.md b/content/roadmaps/106-javascript/content/100-javascript-introduction/103-how-to-run-javascript.md
index 3d849d042..f90631800 100644
--- a/content/roadmaps/106-javascript/content/100-javascript-introduction/103-how-to-run-javascript.md
+++ b/content/roadmaps/106-javascript/content/100-javascript-introduction/103-how-to-run-javascript.md
@@ -6,6 +6,3 @@ JavaScript can be run in the browser by including the external script file using
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.digitalocean.com/community/tutorials/how-to-add-javascript-to-html'>How To Add JavaScript to HTML</BadgeLink>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.digitalocean.com/community/tutorials/how-to-write-your-first-javascript-program'>How To Write Your First JavaScript Program</BadgeLink>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.digitalocean.com/community/tutorials/how-to-use-the-javascript-developer-console'>How To Use the JavaScript Developer Console</BadgeLink>
-
-
-
diff --git a/content/roadmaps/106-javascript/content/101-javascript-variables/100-variable-declarations/100-var.md b/content/roadmaps/106-javascript/content/101-javascript-variables/100-variable-declarations/100-var.md
index c53acaf28..8593ec9d4 100644
--- a/content/roadmaps/106-javascript/content/101-javascript-variables/100-variable-declarations/100-var.md
+++ b/content/roadmaps/106-javascript/content/101-javascript-variables/100-variable-declarations/100-var.md
@@ -8,6 +8,3 @@ The var statement declares a function-scoped or globally-scoped variable, option
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.w3schools.com/js/js_variables.asp'>JavaScript Variables - W3Schools</BadgeLink>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.youtube.com/watch?v=6UAKBYpUC-Y'>Declaring Variables without Var, Let, Const - What Would Happen?</BadgeLink>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.geeksforgeeks.org/how-to-declare-variables-in-different-ways-in-javascript/'>How to declare variables in different ways in JavaScript?</BadgeLink>
-
-
-
diff --git a/content/roadmaps/106-javascript/content/101-javascript-variables/102-naming-rules.md b/content/roadmaps/106-javascript/content/101-javascript-variables/102-naming-rules.md
index 60fe29cb5..22bdfbab5 100644
--- a/content/roadmaps/106-javascript/content/101-javascript-variables/102-naming-rules.md
+++ b/content/roadmaps/106-javascript/content/101-javascript-variables/102-naming-rules.md
@@ -7,5 +7,3 @@ A variable name should accurately identify your variable. When you create good v
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.dummies.com/article/technology/programming-web-design/javascript/naming-javascript-variables-142522/'>Naming JavaScript Variables</BadgeLink>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.robinwieruch.de/javascript-naming-conventions/'>JavaScript Naming Conventions</BadgeLink>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://google.github.io/styleguide/jsguide.html'>Google JavaScript Style Guide</BadgeLink>
-
-
diff --git a/content/roadmaps/106-javascript/content/102-javascript-datatypes/101-object/101-prototypal-inheritance.md b/content/roadmaps/106-javascript/content/102-javascript-datatypes/101-object/101-prototypal-inheritance.md
index b0ceeed19..2ba28c8b9 100644
--- a/content/roadmaps/106-javascript/content/102-javascript-datatypes/101-object/101-prototypal-inheritance.md
+++ b/content/roadmaps/106-javascript/content/102-javascript-datatypes/101-object/101-prototypal-inheritance.md
@@ -1 +1,9 @@
-# Prototypal inheritance
\ No newline at end of file
+# Prototypal Inheritance
+
+The Prototypal Inheritance is a feature in javascript used to add methods and properties in objects. It is a method by which an object can inherit the properties and methods of another object. Traditionally, in order to get and set the Prototype of an object, we use Object.getPrototypeOf and Object.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink badgeText='Official Website' colorScheme='blue' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Inheritance_and_the_prototype_chain'>JavaScript MDN Docs</BadgeLink>
+<BadgeLink badgeText='Official Website' colorScheme="blue" href='https://www.geeksforgeeks.org/prototypal-inheritance-using-__proto__-in-javascript/'>GeeksForGeeks – JavaScript Tutorial</BadgeLink>
+<BadgeLink badgeText='Official Website' colorScheme="blue" href='https://javascript.info/prototype-inheritance'>The Modern JavaScript Tutorial</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://javascript.info/prototype-inheritance'>Prototype Inheritance</BadgeLink>
diff --git a/content/roadmaps/106-javascript/content/102-javascript-datatypes/101-object/102-builtin-objects.md b/content/roadmaps/106-javascript/content/102-javascript-datatypes/101-object/102-builtin-objects.md
index 7272cb275..11deb00c2 100644
--- a/content/roadmaps/106-javascript/content/102-javascript-datatypes/101-object/102-builtin-objects.md
+++ b/content/roadmaps/106-javascript/content/102-javascript-datatypes/101-object/102-builtin-objects.md
@@ -1 +1,18 @@
-# Builtin objects
\ No newline at end of file
+# Built-in objects
+
+Built-in objects, or "global objects", are those built into the language specification itself. There are numerous built-in objects with the JavaScript language, all of which are accessible at the global scope. Some examples are:
+- `Number`
+- `Math`
+- `Date`
+- `String`
+- `Error`
+- `Function`
+- `Boolean`
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects'>Built-in Objects</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects'>Standard built-in objects</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.tutorialride.com/javascript/javascript-built-in-objects.htm'>JavaScript Built-in Objects</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.scaler.com/topics/javascript-built-in-objects/'>Built-in Objects</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://youtu.be/YLCtw8Ms5Q4'>JavaScript Built-in Objects</BadgeLink>
diff --git a/content/roadmaps/106-javascript/content/103-javascript-type-casting/101-explicit-type-casting.md b/content/roadmaps/106-javascript/content/103-javascript-type-casting/101-explicit-type-casting.md
index 5f18c00d3..c66762ca9 100644
--- a/content/roadmaps/106-javascript/content/103-javascript-type-casting/101-explicit-type-casting.md
+++ b/content/roadmaps/106-javascript/content/103-javascript-type-casting/101-explicit-type-casting.md
@@ -1 +1,10 @@
-# Explicit type casting
\ No newline at end of file
+# Explicit Type Casting
+
+Type casting means transferring data from one data type to another by explicitly specifying the type to convert the given data to. Explicit type casting is normally done to make data compatible with other variables. Examples of typecasting methods are `parseInt()`, `parseFloat()`, `toString()`.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://developer.mozilla.org/en-US/docs/Glossary/Type_Conversion'>Type conversion</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.tutorialspoint.com/explain-typecasting-in-javascript'>What is typecasting in JavaScript</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.c-sharpcorner.com/article/type-conversions-in-javascript/'>Type Conversion</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.scaler.com/topics/javascript/type-conversion-in-javascript/'>Type casting</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://youtu.be/VQLYiFqetZM'>Data Type Conversion</BadgeLink>
diff --git a/content/roadmaps/106-javascript/content/103-javascript-type-casting/102-implicit-type-casting.md b/content/roadmaps/106-javascript/content/103-javascript-type-casting/102-implicit-type-casting.md
index 0344473e5..870c59379 100644
--- a/content/roadmaps/106-javascript/content/103-javascript-type-casting/102-implicit-type-casting.md
+++ b/content/roadmaps/106-javascript/content/103-javascript-type-casting/102-implicit-type-casting.md
@@ -1 +1,9 @@
-# Implicit type casting
\ No newline at end of file
+# Implicit Type Casting
+
+Implicit type conversion happens when the compiler or runtime automatically converts data types. JavaScript is loosely typed language and most of the time operators automatically convert a value to the right type.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://www.geeksforgeeks.org/javascript-type-conversion/'>GeeeksForGeeks - JavaScript Tutorials</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://www.w3schools.com/js/js_type_conversion.asp'>W3Schools - JavaScript Tutorials</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://www.tutorialspoint.com/explain-typecasting-in-javascript'>TutorialsPoint - JavaScript Tutorials</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://dev.to/promisetochi/what-you-need-to-know-about-javascripts-implicit-coercion-e23'>What you need to know about Javascript's Implicit Coercion</BadgeLink>
diff --git a/content/roadmaps/106-javascript/content/104-javascript-data-structures/100-indexed-collections/readme.md b/content/roadmaps/106-javascript/content/104-javascript-data-structures/100-indexed-collections/readme.md
index 4d2ef2e14..4abefc2a3 100644
--- a/content/roadmaps/106-javascript/content/104-javascript-data-structures/100-indexed-collections/readme.md
+++ b/content/roadmaps/106-javascript/content/104-javascript-data-structures/100-indexed-collections/readme.md
@@ -1 +1,9 @@
-# Indexed collections
\ No newline at end of file
+# Indexed collections
+
+Indexed Collections are collections that have numeric indices i.e. the collections of data that are ordered by an index value. In JavaScript, an array is an indexed collection. An array is an ordered set of values that has a numeric index.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.geeksforgeeks.org/javascript-indexed-collections/'>Indexed Collections</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Indexed_collections'>What is Indexed collections?</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.tutorialspoint.com/indexed-collections-in-javascript'>Indexed collections in JavaScript</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://youtu.be/XYq9QpgAx8g'>Javascript Arrays</BadgeLink>
diff --git a/content/roadmaps/106-javascript/content/104-javascript-data-structures/101-keyed-collections/readme.md b/content/roadmaps/106-javascript/content/104-javascript-data-structures/101-keyed-collections/readme.md
index 6c3bc427a..080fdcabb 100644
--- a/content/roadmaps/106-javascript/content/104-javascript-data-structures/101-keyed-collections/readme.md
+++ b/content/roadmaps/106-javascript/content/104-javascript-data-structures/101-keyed-collections/readme.md
@@ -1 +1,9 @@
-# Keyed collections
\ No newline at end of file
+# Keyed Collections
+
+Keyed collections are data collections that are ordered by key not index. They are associative in nature. Map and set objects are keyed collections and are iterable in the order of insertion.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Keyed_collections'>Keyed collections</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://blog.logrocket.com/es6-keyed-collections-maps-and-sets/'>ES6 keyed collections- Maps and sets</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.freecodecamp.org/news/how-to-use-javascript-collections-map-and-set/'>How to use Keyed collections</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://youtu.be/4UqSqF4foy4'>Creating keyed collection</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/106-javascript/content/104-javascript-data-structures/102-structured-data/readme.md b/content/roadmaps/106-javascript/content/104-javascript-data-structures/102-structured-data/readme.md
index 63e018c02..5c07be00f 100644
--- a/content/roadmaps/106-javascript/content/104-javascript-data-structures/102-structured-data/readme.md
+++ b/content/roadmaps/106-javascript/content/104-javascript-data-structures/102-structured-data/readme.md
@@ -1 +1,8 @@
-# Structured data
\ No newline at end of file
+# Structured data
+
+Structured data is used by search-engines, like Google, to understand the content of the page, as well as to gather information about the web and the world in general.
+
+It is also coded using in-page markup on the page that the information applies to.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://developers.google.com/search/docs/appearance/structured-data/intro-structured-data'>Google Developers docs</BadgeLink>
diff --git a/content/roadmaps/106-javascript/content/105-javascript-equality-comparisons/100-equality-algorithms/100-is-loosely-equal.md b/content/roadmaps/106-javascript/content/105-javascript-equality-comparisons/100-equality-algorithms/100-is-loosely-equal.md
index bfc145ee3..6ec89541d 100644
--- a/content/roadmaps/106-javascript/content/105-javascript-equality-comparisons/100-equality-algorithms/100-is-loosely-equal.md
+++ b/content/roadmaps/106-javascript/content/105-javascript-equality-comparisons/100-equality-algorithms/100-is-loosely-equal.md
@@ -1 +1,7 @@
-# Is loosely equal
\ No newline at end of file
+# isLooselyEqual
+
+[isLooselyEqual](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Equality) checks whether its two operands are equal, returning a `Boolean` result. It attempts to convert and compare operands that are of different types.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Equality'> Loosely Equality (==) Operator</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://javascript.info/comparison'>Comparsion - javascript.info</BadgeLink>
diff --git a/content/roadmaps/106-javascript/content/105-javascript-equality-comparisons/100-equality-algorithms/101-is-strictly-equal.md b/content/roadmaps/106-javascript/content/105-javascript-equality-comparisons/100-equality-algorithms/101-is-strictly-equal.md
index 72e1ee175..0877a0fa8 100644
--- a/content/roadmaps/106-javascript/content/105-javascript-equality-comparisons/100-equality-algorithms/101-is-strictly-equal.md
+++ b/content/roadmaps/106-javascript/content/105-javascript-equality-comparisons/100-equality-algorithms/101-is-strictly-equal.md
@@ -1 +1,7 @@
-# Is strictly equal
\ No newline at end of file
+# isStrictlyEqual
+
+[isStrictlyEqual](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Strict_equality) checks whether its two operands are equal, returning a `Boolean` result. It always considers operands of different types to be different.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Strict_equality'> Strictly Equality (===) Operator</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://javascript.info/comparison'>Comparsion - javascript.info</BadgeLink>
diff --git a/content/roadmaps/106-javascript/content/105-javascript-equality-comparisons/100-equality-algorithms/102-same-value-zero.md b/content/roadmaps/106-javascript/content/105-javascript-equality-comparisons/100-equality-algorithms/102-same-value-zero.md
index 7485cae97..f507ec21a 100644
--- a/content/roadmaps/106-javascript/content/105-javascript-equality-comparisons/100-equality-algorithms/102-same-value-zero.md
+++ b/content/roadmaps/106-javascript/content/105-javascript-equality-comparisons/100-equality-algorithms/102-same-value-zero.md
@@ -1 +1,6 @@
-# Same value zero
\ No newline at end of file
+# Same value zero
+
+[SameValueZero](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Equality_comparisons_and_sameness#same-value-zero_equality) equality determines whether two values are functionally identical in all contexts with +0 and -0 are also considered equal.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Equality_comparisons_and_sameness#same-value-zero_equality'> Same-value-zero equality</BadgeLink>
diff --git a/content/roadmaps/106-javascript/content/105-javascript-equality-comparisons/100-equality-algorithms/103-same-value.md b/content/roadmaps/106-javascript/content/105-javascript-equality-comparisons/100-equality-algorithms/103-same-value.md
index 9034981e9..1fe358798 100644
--- a/content/roadmaps/106-javascript/content/105-javascript-equality-comparisons/100-equality-algorithms/103-same-value.md
+++ b/content/roadmaps/106-javascript/content/105-javascript-equality-comparisons/100-equality-algorithms/103-same-value.md
@@ -1 +1,6 @@
-# Same value
\ No newline at end of file
+# Same value
+
+[SameValue](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Equality_comparisons_and_sameness#same-value_equality_using_object.is) equality determines whether two values are functionally identical in all contexts.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Equality_comparisons_and_sameness#same-value_equality_using_object.is'> Same-value equality using Object.is()</BadgeLink>
diff --git a/content/roadmaps/106-javascript/content/105-javascript-equality-comparisons/101-value-comparison-operators.md b/content/roadmaps/106-javascript/content/105-javascript-equality-comparisons/101-value-comparison-operators.md
index e6a5834bf..7a493d1ae 100644
--- a/content/roadmaps/106-javascript/content/105-javascript-equality-comparisons/101-value-comparison-operators.md
+++ b/content/roadmaps/106-javascript/content/105-javascript-equality-comparisons/101-value-comparison-operators.md
@@ -8,4 +8,4 @@ In javascript, the `==` operator does the type conversion of the operands before
 
 <ResourceGroupTitle>Free Content</ResourceGroupTitle>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.scaler.com/topics/javascript/difference-between-double-equals-and-triple-equals-in-javascript/'>The Difference Between == and === in Javascript</BadgeLink>
-<BadgeLink colorScheme='yellow' badgeText='Read' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Equality_comparisons_and_sameness#same-value_equality_using_object.is'>Equality comparisons and sameness - MDN</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Equality_comparisons_and_sameness#same-value_equality_using_object.is'>Equality comparisons and sameness - MDN</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/106-javascript/content/106-javascript-loops-iterations/102-break-continue/100-labeled-statements.md b/content/roadmaps/106-javascript/content/106-javascript-loops-iterations/102-break-continue/100-labeled-statements.md
index 7e9438b95..92b95b500 100644
--- a/content/roadmaps/106-javascript/content/106-javascript-loops-iterations/102-break-continue/100-labeled-statements.md
+++ b/content/roadmaps/106-javascript/content/106-javascript-loops-iterations/102-break-continue/100-labeled-statements.md
@@ -1 +1,9 @@
-# Labeled statements
\ No newline at end of file
+# Labeled Statements
+
+JavaScript label statements are used to prefix a label to an identifier. It can be used with `break` and `continue` statement to control the flow more precisely.
+
+A label is simply an identifier followed by a colon`(:)` that is applied to a block of code.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/label'>JavaScript MDN Docs</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://www.tutorialspoint.com/What-are-label-statements-in-JavaScript'>Tutorialspoint – JavaScript Tutorial</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/106-javascript/content/106-javascript-loops-iterations/102-break-continue/readme.md b/content/roadmaps/106-javascript/content/106-javascript-loops-iterations/102-break-continue/readme.md
index d6bcea686..f7e85e57a 100644
--- a/content/roadmaps/106-javascript/content/106-javascript-loops-iterations/102-break-continue/readme.md
+++ b/content/roadmaps/106-javascript/content/106-javascript-loops-iterations/102-break-continue/readme.md
@@ -1 +1,10 @@
-# Break continue
\ No newline at end of file
+# Break continue
+
+`break` statement, without a label reference, can only be used to jump out of a loop or a switch block.
+
+`continue` statement, with or without a label reference, can only be used to skip one loop iteration.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/continue'>JavaScript MDN Docs - continue statement</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/break'>JavaScript MDN Docs - break statement</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://www.w3schools.com/js/js_break.asp'>W3Schools – JavaScript Tutorial</BadgeLink>
diff --git a/content/roadmaps/106-javascript/content/107-javascript-control-flow/100-exception-handling/102-utilizing-error-objects.md b/content/roadmaps/106-javascript/content/107-javascript-control-flow/100-exception-handling/102-utilizing-error-objects.md
index 02e1356cd..9f9572d7c 100644
--- a/content/roadmaps/106-javascript/content/107-javascript-control-flow/100-exception-handling/102-utilizing-error-objects.md
+++ b/content/roadmaps/106-javascript/content/107-javascript-control-flow/100-exception-handling/102-utilizing-error-objects.md
@@ -1 +1,34 @@
-# Utilizing error objects
\ No newline at end of file
+# Utilizing error objects
+
+When a runtime error occurs, a new `Error` object is created and thrown. With this `Error` object, we can determine the type of the Error and handle it according to its type.
+
+## Types of Errors:
+
+Besides error constructors, Javascript also has other core Error constructors.
+
+- [`AggregateError`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/AggregateError)
+- [`EvalError`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/EvalError)
+- [`InternalError`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/InternalError)
+- [`RangeError`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RangeError)
+- [`ReferenceError`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ReferenceError)
+- [`SyntaxError`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/SyntaxError)
+
+## Example
+
+```js
+try {
+  willGiveErrorSometime();
+} catch (error) {
+  if (error instanceof RangeError) {
+    rangeErrorHandler(error);
+  } else if (error instanceof ReferenceError) {
+    referenceErrorHandle(error);
+  } else {
+    errorHandler(error);
+  }
+}
+```
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error'>Error Object - MDN</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Control_flow_and_error_handling'>Control flow & Error handling - MDN</BadgeLink>
diff --git a/content/roadmaps/106-javascript/content/108-javascript-expressions-and-operators/101-omparison-operators.md b/content/roadmaps/106-javascript/content/108-javascript-expressions-and-operators/101-omparison-operators.md
index 376e3bc09..1ef92c0c2 100644
--- a/content/roadmaps/106-javascript/content/108-javascript-expressions-and-operators/101-omparison-operators.md
+++ b/content/roadmaps/106-javascript/content/108-javascript-expressions-and-operators/101-omparison-operators.md
@@ -1 +1,8 @@
-# Omparison operators
\ No newline at end of file
+# Comparison Operators
+
+Comparison operators are the operators that compare values and return true or false. The operators include: `>`, `<`, `>=`, `<=`, `==`, `===`, `!==` and `!===`
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://www.w3schools.com/js/js_comparisons.asp'>W3Schools - JavaScript Tutorials</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators#comparison_operators'>JavaScript MDN Docs</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators#comparison_operators'>Comparison operators</BadgeLink>
diff --git a/content/roadmaps/106-javascript/content/108-javascript-expressions-and-operators/105-bigint-operators.md b/content/roadmaps/106-javascript/content/108-javascript-expressions-and-operators/105-bigint-operators.md
index e717fae96..b576178c1 100644
--- a/content/roadmaps/106-javascript/content/108-javascript-expressions-and-operators/105-bigint-operators.md
+++ b/content/roadmaps/106-javascript/content/108-javascript-expressions-and-operators/105-bigint-operators.md
@@ -1 +1,5 @@
-# Bigint operators
\ No newline at end of file
+# BigInt Operators
+
+Most operators that can be used with the `Number` data type will also work with `BigInt` values (e.g. arithmetic, comparison, etc.). However, the unsigned right shift `>>>` operator is an exception and is not supported. Similarly, some operators may have slight differences in behaviour (for example, division with `BigInt` will round towards zero). 
+
+<BadgeLink colorScheme='blue' badgeText='Read' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators#bigint_operators'>BigInt Operators</BadgeLink>
diff --git a/content/roadmaps/106-javascript/content/108-javascript-expressions-and-operators/106-string-operators.md b/content/roadmaps/106-javascript/content/108-javascript-expressions-and-operators/106-string-operators.md
index f7230e6ad..fbaf7fbbb 100644
--- a/content/roadmaps/106-javascript/content/108-javascript-expressions-and-operators/106-string-operators.md
+++ b/content/roadmaps/106-javascript/content/108-javascript-expressions-and-operators/106-string-operators.md
@@ -1 +1,9 @@
-# String operators
\ No newline at end of file
+# String Operators
+
+In addition to the comparison operators, which can be used on string values, the concatenation operator (`+`) concatenates two string values together, returning another string that is the union of the two operand strings.
+
+The shorthand assignment operator `+=` can also be used to concatenate strings.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators#string_operators'>JavaScript MDN Tutorials</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://javascript.info/operators#string-concatenation-with-binary'>String Concatenation - JavaScript.info</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/106-javascript/content/108-javascript-expressions-and-operators/107-conditional-operators.md b/content/roadmaps/106-javascript/content/108-javascript-expressions-and-operators/107-conditional-operators.md
index 20317da52..3ee79e51a 100644
--- a/content/roadmaps/106-javascript/content/108-javascript-expressions-and-operators/107-conditional-operators.md
+++ b/content/roadmaps/106-javascript/content/108-javascript-expressions-and-operators/107-conditional-operators.md
@@ -1 +1,13 @@
-# Conditional operators
\ No newline at end of file
+# Conditional operators
+
+Conditional oprator also known as Ternary operator is the only JS operator that takes three operands.
+
+The operator can have one of two values based on a condition.
+
+Syntax:
+
+`condition ? val_for_true : val_for_false `
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators#conditional_operator'>JavaScript MDN Docs</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://www.w3schools.com/js/js_comparisons.asp'>W3Schools - JavaScript Tutorials</BadgeLink>
diff --git a/content/roadmaps/106-javascript/content/109-javascript-functions/100-defining-calling-functions.md b/content/roadmaps/106-javascript/content/109-javascript-functions/100-defining-calling-functions.md
index 773f00408..11bace290 100644
--- a/content/roadmaps/106-javascript/content/109-javascript-functions/100-defining-calling-functions.md
+++ b/content/roadmaps/106-javascript/content/109-javascript-functions/100-defining-calling-functions.md
@@ -1 +1,18 @@
-# Defining calling functions
\ No newline at end of file
+# Defining and Calling Functions
+
+**Defining:** 
+- JavaScript function *declarations* are made by using the `function` keyword.
+- Functions can also be defined by saving function *expressions* to a variable. "Arrow" functions are commonly used in this way.
+
+**Calling:** 
+- When a function is defined, it is not yet executed. 
+- To call and invoke a function's code, use the function's name followed by parentheses: `functionName()`.
+
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+
+<BadgeLink colorScheme='blue' badgeText='Read' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Functions#defining_functions'>Defining Functions</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Read' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Functions#calling_functions'>Calling Functions</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.w3schools.com/js/js_function_definition.asp'>Function Definitions</BadgeLink>
+
+
diff --git a/content/roadmaps/106-javascript/content/109-javascript-functions/101-function-parameters/100-default-params.md b/content/roadmaps/106-javascript/content/109-javascript-functions/101-function-parameters/100-default-params.md
index 58a393eff..2800b8dde 100644
--- a/content/roadmaps/106-javascript/content/109-javascript-functions/101-function-parameters/100-default-params.md
+++ b/content/roadmaps/106-javascript/content/109-javascript-functions/101-function-parameters/100-default-params.md
@@ -1 +1,5 @@
-# Default params
\ No newline at end of file
+# Default Parameters
+
+Default function parameters allow named parameters to be initialized with default values if no value or `undefined` is passed.
+
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/Default_parameters'>Default Parameters - MDN Docs</BadgeLink>
diff --git a/content/roadmaps/106-javascript/content/109-javascript-functions/101-function-parameters/101-rest-params.md b/content/roadmaps/106-javascript/content/109-javascript-functions/101-function-parameters/101-rest-params.md
index 41c37ca23..04318e655 100644
--- a/content/roadmaps/106-javascript/content/109-javascript-functions/101-function-parameters/101-rest-params.md
+++ b/content/roadmaps/106-javascript/content/109-javascript-functions/101-function-parameters/101-rest-params.md
@@ -1 +1,5 @@
-# Rest params
\ No newline at end of file
+# Rest Parameters
+
+The rest parameter syntax allows a function to accept an indefinite number of arguments as an array, providing a way to represent [variadic functions](https://en.wikipedia.org/wiki/Variadic_function) in JavaScript.
+
+<BadgeLink colorScheme='yellow' badgeText='Rest parameters MDN documentation' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/rest_parameters'>Rest Paremeters - MDN Docs</BadgeLink>
diff --git a/content/roadmaps/106-javascript/content/109-javascript-functions/101-function-parameters/readme.md b/content/roadmaps/106-javascript/content/109-javascript-functions/101-function-parameters/readme.md
index f2db1b6c8..d0dde10ac 100644
--- a/content/roadmaps/106-javascript/content/109-javascript-functions/101-function-parameters/readme.md
+++ b/content/roadmaps/106-javascript/content/109-javascript-functions/101-function-parameters/readme.md
@@ -3,4 +3,3 @@
 The parameter is the name given to the variable declared inside the definition of a function. There are two special kinds of syntax: default and rest parameters.
 
 <BadgeLink colorScheme="yellow" badgeText="Read" href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Functions#function_parameters">Function Parameters</BadgeLink>
-
diff --git a/content/roadmaps/106-javascript/content/109-javascript-functions/104-arguments-object.md b/content/roadmaps/106-javascript/content/109-javascript-functions/104-arguments-object.md
index 104e9666e..b950d983e 100644
--- a/content/roadmaps/106-javascript/content/109-javascript-functions/104-arguments-object.md
+++ b/content/roadmaps/106-javascript/content/109-javascript-functions/104-arguments-object.md
@@ -1 +1,7 @@
-# Arguments object
\ No newline at end of file
+# Arguments object
+
+The arguments object is an Array-like object accessible inside functions that contains the values of the arguments passed to that function, available within all non-arrow functions. You can refer to a function's arguments inside that function by using its arguments object. It has entries for each argument the function was called with, with the first entry's index at 0. But, in modern code, rest parameters should be preferred.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+
+<BadgeLink colorScheme="yellow" badgeText="Read" href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/arguments">The arguments object - MDN Docs</BadgeLink>
diff --git a/content/roadmaps/106-javascript/content/109-javascript-functions/106-built-in-functions.md b/content/roadmaps/106-javascript/content/109-javascript-functions/106-built-in-functions.md
index d9ff14a6f..2505735ae 100644
--- a/content/roadmaps/106-javascript/content/109-javascript-functions/106-built-in-functions.md
+++ b/content/roadmaps/106-javascript/content/109-javascript-functions/106-built-in-functions.md
@@ -1 +1,10 @@
-# Built in functions
\ No newline at end of file
+# Built in functions
+
+- A JavaScript **method** is a property containing a **function definition** . In other words, when the data stored on an object is a function we call that a method.
+- To differenciate between properties and methods, we can think of it this way: **A property is what an object has, while a method is what an object does.**
+- Since JavaScript methods are actions that can be performed on objects, we first need to have objects to start with. There are several objects built into JavaScript which we can use.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.tutorialspoint.com/javascript/javascript_builtin_functions.htm'>JavaScript Built-in Functions</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://dev.to/elpepebenitez/built-in-methods-in-javascript-4bll'>Built-in Methods in Javascript</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.tutorialride.com/javascript/javascript-built-in-functions.htm'>Built-in Functions:</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/106-javascript/content/111-javascript-this-keyword/100-function-borrowing.md b/content/roadmaps/106-javascript/content/111-javascript-this-keyword/100-function-borrowing.md
index 896e56c23..97e1a8731 100644
--- a/content/roadmaps/106-javascript/content/111-javascript-this-keyword/100-function-borrowing.md
+++ b/content/roadmaps/106-javascript/content/111-javascript-this-keyword/100-function-borrowing.md
@@ -1 +1,6 @@
-# Function borrowing
\ No newline at end of file
+# Function Borrowing
+
+Function borrowing allows us to use the methods of one object on a different object without having to make a copy of that method and maintain it in two separate places. It is accomplished through the use of `.call()`, `.apply()`, or `.bind()`, all of which exist to explicitly set this on the method we are borrowing.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme="yellow" badgeText="Read" href="https://medium.com/@ensallee/function-borrowing-in-javascript-4bd671e9d7b4">Function borrowing</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/106-javascript/content/111-javascript-this-keyword/101-this-in-a-method.md b/content/roadmaps/106-javascript/content/111-javascript-this-keyword/101-this-in-a-method.md
index 9c7f754fa..c125e5f41 100644
--- a/content/roadmaps/106-javascript/content/111-javascript-this-keyword/101-this-in-a-method.md
+++ b/content/roadmaps/106-javascript/content/111-javascript-this-keyword/101-this-in-a-method.md
@@ -1 +1,7 @@
-# This in a method
\ No newline at end of file
+# this in a method
+
+Methods are properties of an object which are functions. The value of this inside a method is equal to the calling object. In simple words, this value is the object “before dot”, the one used to call the method.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://javascript.info/object-methods#this-in-methods'>`this` in methods</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.w3schools.com/js/js_this.asp'>Short and clear post about the `this` keyword</BadgeLink>
diff --git a/content/roadmaps/106-javascript/content/111-javascript-this-keyword/102-this-in-a-function.md b/content/roadmaps/106-javascript/content/111-javascript-this-keyword/102-this-in-a-function.md
index cf4e1d757..138c4b9a5 100644
--- a/content/roadmaps/106-javascript/content/111-javascript-this-keyword/102-this-in-a-function.md
+++ b/content/roadmaps/106-javascript/content/111-javascript-this-keyword/102-this-in-a-function.md
@@ -1 +1,8 @@
-# This in a function
\ No newline at end of file
+# this in a function
+
+The keyword `this` when used in a function refers to the global object.
+
+*Note: in a browser window the global object is the `window` object.*
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.w3schools.com/js/js_this.asp'>this in a function</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/106-javascript/content/111-javascript-this-keyword/103-using-this-alone.md b/content/roadmaps/106-javascript/content/111-javascript-this-keyword/103-using-this-alone.md
index aba0fade2..3bf11cb6b 100644
--- a/content/roadmaps/106-javascript/content/111-javascript-this-keyword/103-using-this-alone.md
+++ b/content/roadmaps/106-javascript/content/111-javascript-this-keyword/103-using-this-alone.md
@@ -1 +1,8 @@
-# Using this alone
\ No newline at end of file
+# Using this alone
+
+The keyword `this` when used alone refers to the global object.
+
+*Note: in a browser window the global object is the `window` object.*
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.w3schools.com/js/js_this.asp'>this Alone</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/106-javascript/content/111-javascript-this-keyword/104-this-in-event-handlers.md b/content/roadmaps/106-javascript/content/111-javascript-this-keyword/104-this-in-event-handlers.md
index cdc55614b..8337a1c2c 100644
--- a/content/roadmaps/106-javascript/content/111-javascript-this-keyword/104-this-in-event-handlers.md
+++ b/content/roadmaps/106-javascript/content/111-javascript-this-keyword/104-this-in-event-handlers.md
@@ -1 +1,6 @@
-# This in event handlers
\ No newline at end of file
+# this in event handlers
+
+The keyword `this` when used in an event handler refers to the element that received the event.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.w3schools.com/js/js_this.asp'>this in Event handlers</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/106-javascript/content/111-javascript-this-keyword/105-this-in-arrow-functions.md b/content/roadmaps/106-javascript/content/111-javascript-this-keyword/105-this-in-arrow-functions.md
index 985f70c88..8de6ca89a 100644
--- a/content/roadmaps/106-javascript/content/111-javascript-this-keyword/105-this-in-arrow-functions.md
+++ b/content/roadmaps/106-javascript/content/111-javascript-this-keyword/105-this-in-arrow-functions.md
@@ -1 +1,6 @@
-# This in arrow functions
\ No newline at end of file
+# this in arrow functions
+
+The keyword `this` when used in an arrow function refers to the parent object.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://stackoverflow.com/questions/66518020/javascript-this-keyword-and-arrow-function'>this keyword and arrow function</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/106-javascript/content/111-javascript-this-keyword/106-explicit-binding.md b/content/roadmaps/106-javascript/content/111-javascript-this-keyword/106-explicit-binding.md
index a2419f69d..4fbaf60f0 100644
--- a/content/roadmaps/106-javascript/content/111-javascript-this-keyword/106-explicit-binding.md
+++ b/content/roadmaps/106-javascript/content/111-javascript-this-keyword/106-explicit-binding.md
@@ -1 +1,7 @@
-# Explicit binding
\ No newline at end of file
+# Explicit binding
+
+Explicit binding is when you use the `call` or `apply` methods to explicitly set the value of `this` in a function. Explicit Binding can be applied using `call()`, `apply()`, and `bind()`.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://medium.com/swlh/javascript-this-ac28f8e0f65d'>Explicit Binding</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://medium.com/@msinha2801/explicit-binding-rule-for-this-keyword-in-js-712405b0a11'>Explicit Binding rule for this keyword</BadgeLink>
diff --git a/content/roadmaps/106-javascript/content/111-javascript-this-keyword/readme.md b/content/roadmaps/106-javascript/content/111-javascript-this-keyword/readme.md
index 1f3be6938..92ea791c9 100644
--- a/content/roadmaps/106-javascript/content/111-javascript-this-keyword/readme.md
+++ b/content/roadmaps/106-javascript/content/111-javascript-this-keyword/readme.md
@@ -10,5 +10,4 @@ In JavaScript, the `this` keyword is a little different compared to other langua
 - Methods like call(), apply(), and bind() can refer `this` to any object
 
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.w3schools.com/js/js_this.asp'>The JavaScript `this` Keyword</BadgeLink>
-<BadgeLink colorScheme='yellow' badgeText='Read' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/this'>This Keyword</BadgeLink>
-
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/this'>This Keyword</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/106-javascript/content/112-javascript-asynchronous-javascript/102-set-interval.md b/content/roadmaps/106-javascript/content/112-javascript-asynchronous-javascript/102-set-interval.md
index e86046842..e6c137108 100644
--- a/content/roadmaps/106-javascript/content/112-javascript-asynchronous-javascript/102-set-interval.md
+++ b/content/roadmaps/106-javascript/content/112-javascript-asynchronous-javascript/102-set-interval.md
@@ -1 +1,9 @@
-# Set interval
\ No newline at end of file
+# setInterval
+
+The `setInterval()` method helps us to repeatedly execute a function after a fixed delay. It returns a unique interval ID which can later be used by the `clearInterval()` method, which stops further repeated execution of the function. 
+
+`setInterval()` is similar to setTimeout, with a difference. Instead of running the callback function once, it will run it forever, at the specific time interval you specify (in milliseconds):
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://javascript.info/settimeout-setinterval'>Scheduling: setTimeout and setInterval</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.geeksforgeeks.org/what-is-setinterval-in-javascript/'>What is the use of setInterval() method in JavaScript?</BadgeLink>
diff --git a/content/roadmaps/106-javascript/content/112-javascript-asynchronous-javascript/104-promises/100-async-await.md b/content/roadmaps/106-javascript/content/112-javascript-asynchronous-javascript/104-promises/100-async-await.md
index b0197a63d..c6d855a0d 100644
--- a/content/roadmaps/106-javascript/content/112-javascript-asynchronous-javascript/104-promises/100-async-await.md
+++ b/content/roadmaps/106-javascript/content/112-javascript-asynchronous-javascript/104-promises/100-async-await.md
@@ -1 +1,10 @@
-# Async await
\ No newline at end of file
+# Async/Await
+
+`async/await` is a special syntax to work with promises in a more comfortable fashion.
+We use `async` keyword to declare a async function that return a Promise, and the `await` keyword makes a function wait for a Promise.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://javascript.info/async-await'>Async/await</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/async_function'>async function</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.codeguage.com/courses/advanced-js/promises-chaining'>JavaScript Promises - Chaining</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.freecodecamp.org/news/javascript-async-await-tutorial-learn-callbacks-promises-async-await-by-making-icecream/'>JavaScript Async/Await Tutorial – Learn Callbacks, Promises, and Async/Await in JS by Making Ice Cream</BadgeLink>
diff --git a/content/roadmaps/106-javascript/content/116-javascript-memory-management/100-memory-lifecycle.md b/content/roadmaps/106-javascript/content/116-javascript-memory-management/100-memory-lifecycle.md
index 2cdc5d3c1..ba47a6c19 100644
--- a/content/roadmaps/106-javascript/content/116-javascript-memory-management/100-memory-lifecycle.md
+++ b/content/roadmaps/106-javascript/content/116-javascript-memory-management/100-memory-lifecycle.md
@@ -1 +1,9 @@
-# Memory lifecycle
\ No newline at end of file
+# Memory lifecycle
+
+Regardless of the programming language, the memory life cycle is pretty much always the same:
+
+ - Allocate the memory you need
+ - Use the allocated memory (read, write)
+ - Release the allocated memory when it is not needed anymore
+
+The second part is explicit in all languages. The first and last parts are explicit in low-level languages but are mostly implicit in high-level languages like JavaScript.
diff --git a/content/roadmaps/106-javascript/content/117-javascript-chrome-dev-tools/100-debugging-issues.md b/content/roadmaps/106-javascript/content/117-javascript-chrome-dev-tools/100-debugging-issues.md
index 48903ffb3..26fb13cd2 100644
--- a/content/roadmaps/106-javascript/content/117-javascript-chrome-dev-tools/100-debugging-issues.md
+++ b/content/roadmaps/106-javascript/content/117-javascript-chrome-dev-tools/100-debugging-issues.md
@@ -1 +1,7 @@
-# Debugging issues
\ No newline at end of file
+# Debugging issues
+
+When you're just starting out with JavaScript development, you might use a lot of `console.log()` statement in your code to log and check values of variables while debugging. The results of these would show up in the **Console** panel, along with a reference to the line and file of code which originated it.
+
+However, for quicker, more complex and easier to handler debugging (which also doesn't litter your codebase with `console.log()`s), breakpoints and the sources panel is your friend.
+
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://developer.chrome.com/docs/devtools/javascript/'>Debugging JavaScript in the sources panel</BadgeLink>
diff --git a/content/roadmaps/106-javascript/content/117-javascript-chrome-dev-tools/101-debugging-memory-leaks.md b/content/roadmaps/106-javascript/content/117-javascript-chrome-dev-tools/101-debugging-memory-leaks.md
index 088f3c63c..d7ea52bde 100644
--- a/content/roadmaps/106-javascript/content/117-javascript-chrome-dev-tools/101-debugging-memory-leaks.md
+++ b/content/roadmaps/106-javascript/content/117-javascript-chrome-dev-tools/101-debugging-memory-leaks.md
@@ -1 +1,8 @@
-# Debugging memory leaks
\ No newline at end of file
+# Debugging Memory Leaks
+
+In JavaScript, memory leaks commonly occur within heap allocated memory, where short lived objects are attached to long lived ones and the Garbage Collector cannot safely de-allocate that memory as it is still referenced from the root set (the global object).
+
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://medium.com/coding-blocks/catching-memory-leaks-with-chrome-devtools-57b03acb6bb9'>Catching memory leaks with Chrome DevTools</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://medium.com/swlh/effective-javascript-debugging-memory-leaks-75059b2436f6'>Effective Javascript Debugging </BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.debugbear.com/blog/debugging-javascript-memory-leaks'>Debugging JavaScript memory leaks</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.jackhoy.com/web-applications/2020/10/21/debugging-memory-leaks-in-nodejs.html'>Debugging Memory Leaks In Production JavaScript Applications</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/106-javascript/content/117-javascript-chrome-dev-tools/102-debugging-performance.md b/content/roadmaps/106-javascript/content/117-javascript-chrome-dev-tools/102-debugging-performance.md
index d3a84a529..8046ee078 100644
--- a/content/roadmaps/106-javascript/content/117-javascript-chrome-dev-tools/102-debugging-performance.md
+++ b/content/roadmaps/106-javascript/content/117-javascript-chrome-dev-tools/102-debugging-performance.md
@@ -1 +1,3 @@
-# Debugging performance
\ No newline at end of file
+# Debugging performance
+
+Enter the dev tools and check out the Lighthouse tab. This is essentially a series of tests which analyses the currently open website on a bunch of metrics related to performance, page speed, accessibility, etc. Feel free to run the tests by clicking the **Analyse Page Load** button (you might want to do this in an incognito tab to avoid errors arising from extensions you're using). Once you have the results, take your time and read through them (and do click through to the reference pages mentioned alongside each test result to know more about it!)
diff --git a/content/roadmaps/106-javascript/content/117-javascript-chrome-dev-tools/readme.md b/content/roadmaps/106-javascript/content/117-javascript-chrome-dev-tools/readme.md
index b15bcfa57..3e2696726 100644
--- a/content/roadmaps/106-javascript/content/117-javascript-chrome-dev-tools/readme.md
+++ b/content/roadmaps/106-javascript/content/117-javascript-chrome-dev-tools/readme.md
@@ -1 +1,10 @@
-# Javascript chrome dev tools
\ No newline at end of file
+# Javascript chrome dev tools
+
+These are a set of tools built into the browser to aid frontend developers diagnose and solve various issues in their applications — such as JavaScript and logical bugs, CSS styling issues or even just making quick temprary alterations to the DOM.
+
+To enter the dev tools, right click and click **Inspect** (or press `ctrl+shift+c`/`cmd+opt+c`) to enter the Elements panel. Here you can debug CSS and HTML issues. If you want to see logged messages or interact with javascript, enter the **Console** tab from the tabs above (or press `ctrl+shift+j`/`cmd+opt+j` to enter it directly). Another very useful feature in the Chrome dev tools is the Lighthouse (for checking perfomance) — more on this later.
+
+NOTE: This isn't a chrome-specific feature, and most browsers (Chromium based or otherwise) will have their own, largely-similar set of devtools.
+
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://developer.chrome.com/docs/devtools/overview/'>Official Docs</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.freecodecamp.org/news/mastering-chrome-developer-tools-next-level-front-end-development-techniques-3ac0b6fe8a3/'>Mastering Chrome Dev Tools</BadgeLink>
diff --git a/content/roadmaps/107-nodejs/content/100-nodejs-introduction/101-why-nodejs.md b/content/roadmaps/107-nodejs/content/100-nodejs-introduction/101-why-nodejs.md
index 24481f91e..b2605c2a4 100644
--- a/content/roadmaps/107-nodejs/content/100-nodejs-introduction/101-why-nodejs.md
+++ b/content/roadmaps/107-nodejs/content/100-nodejs-introduction/101-why-nodejs.md
@@ -1 +1,9 @@
-# Why nodejs
\ No newline at end of file
+# Why Node.js
+
+Node.js is a cross-platform runtime, perfect for a wide range of use cases. Its huge community makes it easy to get started. It uses the V8 engine to compile JavaScript and runs at lightning-fast speeds. Node.js applications are very scalable and maintainable. Cross-platform support allows the creation of all kinds of applications - desktop apps, software as a service, and even mobile applications. Node.js is perfect for data-intensive and real-time applications since it uses an event-driven, non-blocking I/O model, making it lightweight and efficient. With such a huge community, a vast collection of Node.js packages is available to simplify and boost development.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Read' href='https://www.freecodecamp.org/news/what-are-the-advantages-of-node-js/'>Pros of Node.js</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://nodejs.dev/en/learn/'>Learn Node.js</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://medium.com/selleo/why-choose-node-js-b0091ad6c3fc'>Why Choose Node.js?</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.bitovi.com/blog/5-reasons-to-choose-nodejs'>5 Reasons to Choose Node.js</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/107-nodejs/content/100-nodejs-introduction/104-running-nodejs-code.md b/content/roadmaps/107-nodejs/content/100-nodejs-introduction/104-running-nodejs-code.md
index 0a69ae77c..f95503ce6 100644
--- a/content/roadmaps/107-nodejs/content/100-nodejs-introduction/104-running-nodejs-code.md
+++ b/content/roadmaps/107-nodejs/content/100-nodejs-introduction/104-running-nodejs-code.md
@@ -1 +1,6 @@
-# Running nodejs code
\ No newline at end of file
+# Running Node.js Code
+
+The usual way to run a Node.js program is to run the globally available `node` command (once you install Node.js) and pass the name of the file you want to execute.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://nodejs.dev/en/learn/run-nodejs-scripts-from-the-command-line/'>Run Node.js from Command Line</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/107-nodejs/content/100-nodejs-introduction/readme.md b/content/roadmaps/107-nodejs/content/100-nodejs-introduction/readme.md
index 0da5e086c..643e032bf 100644
--- a/content/roadmaps/107-nodejs/content/100-nodejs-introduction/readme.md
+++ b/content/roadmaps/107-nodejs/content/100-nodejs-introduction/readme.md
@@ -1 +1,9 @@
-# Nodejs introduction
\ No newline at end of file
+# Node.js Introduction
+
+Node.js is an open source, cross-platform runtime environment and library that is used for running web applications outside the client’s browser.
+
+It is used for server-side programming, and primarily deployed for non-blocking, event-driven servers, such as traditional web sites and back-end API services, but was originally designed with real-time, push-based architectures in mind. Every browser has its own version of a JS engine, and node.js is built on Google Chrome’s V8 JavaScript engine.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://nodejs.org/en/'>Official Website</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Official Docs' href='https://nodejs.org/en/docs/'>Official Documentation</BadgeLink>
diff --git a/content/roadmaps/107-nodejs/content/101-nodejs-modules/100-commonjs-vs-esm.md b/content/roadmaps/107-nodejs/content/101-nodejs-modules/100-commonjs-vs-esm.md
index 8e8b15f00..17ede9aa8 100644
--- a/content/roadmaps/107-nodejs/content/101-nodejs-modules/100-commonjs-vs-esm.md
+++ b/content/roadmaps/107-nodejs/content/101-nodejs-modules/100-commonjs-vs-esm.md
@@ -1 +1,10 @@
-# Commonjs vs esm
\ No newline at end of file
+# CommonJS vs ESM
+
+CommonJS and ES (EcmaScript) are module systems used in Node. CommonJS is the default module system. However, a new module system was recently added to NodeJS - ES modules. CommonJS modules use the require() statement for module imports and module.exports for module exports while it's import and export for ES.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://blog.logrocket.com/commonjs-vs-es-modules-node-js/'>CommonJS vs ESM</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.javascripttutorial.net/nodejs-tutorial/nodejs-modules/'>Using CommonJS</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://blog.logrocket.com/es-modules-in-node-today/'>Using ES Modules</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=pP4kjXykbio'>Using Modules</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://reflectoring.io/nodejs-modules-imports/'>CommonJS vs. ES Modules: Modules and Imports in NodeJS</BadgeLink>
diff --git a/content/roadmaps/107-nodejs/content/101-nodejs-modules/102-global-keyword.md b/content/roadmaps/107-nodejs/content/101-nodejs-modules/102-global-keyword.md
index 5edcdbfdc..b5ca7f538 100644
--- a/content/roadmaps/107-nodejs/content/101-nodejs-modules/102-global-keyword.md
+++ b/content/roadmaps/107-nodejs/content/101-nodejs-modules/102-global-keyword.md
@@ -1 +1,8 @@
-# Global keyword
\ No newline at end of file
+# global keyword
+
+The global object gives access to some useful functions that can be used directly in our code. The global object, in contrast to the global object in a browser, is not the Window object. It is just an object called 'Global'.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Read' href='https://nodejs.org/api/globals.html'>Official Documentation</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=jn8PZNBmKm0'>What is Global Object?</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=PY-AycMkEAg'>Global Object in Node</BadgeLink>
diff --git a/content/roadmaps/107-nodejs/content/101-nodejs-modules/readme.md b/content/roadmaps/107-nodejs/content/101-nodejs-modules/readme.md
index 1370de98b..a2602f1bb 100644
--- a/content/roadmaps/107-nodejs/content/101-nodejs-modules/readme.md
+++ b/content/roadmaps/107-nodejs/content/101-nodejs-modules/readme.md
@@ -1 +1,9 @@
-# Nodejs modules
\ No newline at end of file
+# Node.js modules
+
+We split our code into different files to maintain, organize and reuse code whenever possible. A module system allows us to split and include code and import code written by other developers whenever required. In simple terms, a module is nothing but a JavaScript file. Node.js has many built-in modules that are part of the platform and comes with Node.js installation, for example, HTTP, fs, path, and more.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Read' href='https://nodejs.org/api/modules.html'>Official Documentation</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.geeksforgeeks.org/node-js-modules/'>More about modules</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.freecodecamp.org/news/modular-programming-nodejs-npm-modules/'>Using Modules</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=9Amxzvq5LY8&'>Modules in Node.js</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/107-nodejs/content/102-nodejs-npm/101-global-install-vs-local-install.md b/content/roadmaps/107-nodejs/content/102-nodejs-npm/101-global-install-vs-local-install.md
index 2280b5bd9..1d84ae6c6 100644
--- a/content/roadmaps/107-nodejs/content/102-nodejs-npm/101-global-install-vs-local-install.md
+++ b/content/roadmaps/107-nodejs/content/102-nodejs-npm/101-global-install-vs-local-install.md
@@ -1 +1,9 @@
-# Global install vs local install
\ No newline at end of file
+# Global Install vs Local Install
+
+NodeJS and NPM allow two methods of installing dependencies/packages: Local and Global. This is mainly used when adding a package or dependency as part of a specific project you're working on. The package would be installed (with its dependencies) in `node_modules` folder **under your project**. In addition, in `package.json` file there will be a new line added for the installed dependency under the label `dependencies`. At this point - you can start using the package in your NodeJS code by importing the package. Unlike the local install, you can install packages and dependencies **globally**. This would install it in a system path, and these packages would be available to any program which runs on **this specific** computer. This method is often used for installing command line tools (for example, even `npm` program is a Globally installed npm package).
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://docs.npmjs.com/downloading-and-installing-packages-locally'>Downloading and installing packages locally</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://docs.npmjs.com/downloading-and-installing-packages-globally'>Downloading and installing packages globally</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://docs.npmjs.com/cli/v8/commands/npm-install'>NPM Install Docs</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.geeksforgeeks.org/what-is-global-installation-of-dependencies-in-node-js/'>What is global installation of dependencies in Node.js ?</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/107-nodejs/content/102-nodejs-npm/102-updating-packages.md b/content/roadmaps/107-nodejs/content/102-nodejs-npm/102-updating-packages.md
index addfa442f..1987b68b9 100644
--- a/content/roadmaps/107-nodejs/content/102-nodejs-npm/102-updating-packages.md
+++ b/content/roadmaps/107-nodejs/content/102-nodejs-npm/102-updating-packages.md
@@ -1 +1,9 @@
-# Updating packages
\ No newline at end of file
+# Updating Packages
+
+npm provides various features to help install and maintain the project's dependencies. Dependencies get updates with new features and fixes, so upgrading to a newer version is recommended. We use npm update commands for this.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.freecodecamp.org/news/how-to-update-npm-dependencies/'>How to update?</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=Ghdfdq17JAY'>Updating dependencies</BadgeLink>
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://docs.npmjs.com/updating-packages-downloaded-from-the-registry'>Updating packages downloaded from the registry</BadgeLink>
diff --git a/content/roadmaps/107-nodejs/content/102-nodejs-npm/103-using-packages.md b/content/roadmaps/107-nodejs/content/102-nodejs-npm/103-using-packages.md
index 5c7ce5a7b..7d7f62df2 100644
--- a/content/roadmaps/107-nodejs/content/102-nodejs-npm/103-using-packages.md
+++ b/content/roadmaps/107-nodejs/content/102-nodejs-npm/103-using-packages.md
@@ -1 +1,6 @@
-# Using packages
\ No newline at end of file
+# Using Packages
+
+Open source Node modules are very powerful as you can instantly get access to the functionality that you’d otherwise have to write yourself. We normally use CommonJS or ESM to import an installed package.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://learn.coderslang.com/0014-how-to-import-and-use-npm-modules/'>How to import and use npm modules</BadgeLink>
diff --git a/content/roadmaps/107-nodejs/content/102-nodejs-npm/105-npm-workspaces.md b/content/roadmaps/107-nodejs/content/102-nodejs-npm/105-npm-workspaces.md
index 50afa3304..1251b332d 100644
--- a/content/roadmaps/107-nodejs/content/102-nodejs-npm/105-npm-workspaces.md
+++ b/content/roadmaps/107-nodejs/content/102-nodejs-npm/105-npm-workspaces.md
@@ -1 +1,7 @@
-# Npm workspaces
\ No newline at end of file
+# npm workspaces
+
+Workspace is a generic term that refers to the set of npm CLI features that support managing multiple packages from your local file system from within a singular top-level root package.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Docs' href='https://docs.npmjs.com/cli/v8/using-npm/workspaces'>npm workspaces</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://ruanmartinelli.com/posts/npm-7-workspaces-1'>Getting Started with Npm Workspaces </BadgeLink>
diff --git a/content/roadmaps/107-nodejs/content/102-nodejs-npm/106-creating-packages.md b/content/roadmaps/107-nodejs/content/102-nodejs-npm/106-creating-packages.md
index d66f08388..c93a3643d 100644
--- a/content/roadmaps/107-nodejs/content/102-nodejs-npm/106-creating-packages.md
+++ b/content/roadmaps/107-nodejs/content/102-nodejs-npm/106-creating-packages.md
@@ -1 +1,7 @@
-# Creating packages
\ No newline at end of file
+# Creating Packages
+
+npm packages allow you to bundle some specific functionality into a reusable package which can then be uploaded to some package registry such as npm or GitHub packages and then be installed and reused in projects using npm.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.freecodecamp.org/news/how-to-make-a-beautiful-tiny-npm-package-and-publish-it-2881d4307f78/'>How to make a tiny npm package and publish it</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://snyk.io/blog/best-practices-create-modern-npm-package/'>Best practices for creating a modern npm package</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/107-nodejs/content/104-nodejs-async-programming/103-async-await.md b/content/roadmaps/107-nodejs/content/104-nodejs-async-programming/103-async-await.md
index b0197a63d..9104e9c80 100644
--- a/content/roadmaps/107-nodejs/content/104-nodejs-async-programming/103-async-await.md
+++ b/content/roadmaps/107-nodejs/content/104-nodejs-async-programming/103-async-await.md
@@ -1 +1,10 @@
-# Async await
\ No newline at end of file
+# Async/Await
+
+Async/Await is a special syntax to work with promises in a more comfortable fashion. It's easy to understand and use. Adding the keyword async before a function ensures that the function returns a promise and the keyword await makes JavaScript wait until that promise settles and returns the result.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/async_function'>Official Documentation</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://javascript.info/async-await'>More on async await</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=V_Kr9OSfDeU'>Using async await</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.w3docs.com/learn-javascript/async-await.html'>W3Docs Async/Await</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.geeksforgeeks.org/difference-between-promise-and-async-await-in-node-js/'>Difference between Promise and Async/Await</BadgeLink>
diff --git a/content/roadmaps/107-nodejs/content/104-nodejs-async-programming/readme.md b/content/roadmaps/107-nodejs/content/104-nodejs-async-programming/readme.md
index 25a643f41..cf7aac1a4 100644
--- a/content/roadmaps/107-nodejs/content/104-nodejs-async-programming/readme.md
+++ b/content/roadmaps/107-nodejs/content/104-nodejs-async-programming/readme.md
@@ -1 +1,7 @@
-# Nodejs async programming
\ No newline at end of file
+# Nodejs async programming
+
+Asynchronous code means that things can happen independently of the main program flow, async functions in JavaScript are processed in the background without blocking other requests. It ensures non-blocking code execution. Asynchronous code executes without having any dependency and no order. This improves the system efficiency and throughput. Making web apps requires knowledge of asynchronous concepts since we will be dealing with actions that require some time to get processed.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink badgeText='Read' colorScheme="blue" href='https://developer.mozilla.org/en-US/docs/Learn/JavaScript/Asynchronous/Introducing/'>Introduction to Async JS</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=Kpn2ajSa92c'>Asynchronous Vs Synchronous Programming</BadgeLink>
diff --git a/content/roadmaps/107-nodejs/content/105-nodejs-working-with-files/100-fs-module.md b/content/roadmaps/107-nodejs/content/105-nodejs-working-with-files/100-fs-module.md
index 416872b50..b1540066d 100644
--- a/content/roadmaps/107-nodejs/content/105-nodejs-working-with-files/100-fs-module.md
+++ b/content/roadmaps/107-nodejs/content/105-nodejs-working-with-files/100-fs-module.md
@@ -1 +1,8 @@
-# Fs module
\ No newline at end of file
+# Fs module
+
+File System or fs module is a built in module in Node that enables interacting with the file system using JavaScript. All file system operations have synchronous, callback, and promise-based forms, and are accessible using both CommonJS syntax and ES6 Modules.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Read' href='https://nodejs.org/api/fs.html'>Official Documentation</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.w3schools.com/nodejs/nodejs_filesystem.asp'>More about fs module</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=ZySsdm576wE'>Using fs</BadgeLink>
diff --git a/content/roadmaps/107-nodejs/content/105-nodejs-working-with-files/107-dirname.md b/content/roadmaps/107-nodejs/content/105-nodejs-working-with-files/107-dirname.md
index af30af200..f93534cf5 100644
--- a/content/roadmaps/107-nodejs/content/105-nodejs-working-with-files/107-dirname.md
+++ b/content/roadmaps/107-nodejs/content/105-nodejs-working-with-files/107-dirname.md
@@ -1 +1,7 @@
-# Dirname
\ No newline at end of file
+# __dirname
+
+The `__dirname` in a node script returns the path of the folder where the current JavaScript file resides. `__filename` and `__dirname` are used to get the filename and directory name of the currently executing file.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Docs' href='https://nodejs.org/docs/latest/api/modules.html#__dirname'>Official Website</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.digitalocean.com/community/tutorials/nodejs-how-to-use__dirname'>How to use __dirname</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/107-nodejs/content/105-nodejs-working-with-files/108-filename.md b/content/roadmaps/107-nodejs/content/105-nodejs-working-with-files/108-filename.md
index bb51b1d73..f374189d6 100644
--- a/content/roadmaps/107-nodejs/content/105-nodejs-working-with-files/108-filename.md
+++ b/content/roadmaps/107-nodejs/content/105-nodejs-working-with-files/108-filename.md
@@ -1 +1,6 @@
-# Filename
\ No newline at end of file
+# __filename
+
+The `__filename` in Node.js returns the filename of the executed code. It gives the absolute path of the code file. The following approach covers implementing `__filename` in the Node.js project.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Docs' href='https://nodejs.org/docs/latest/api/modules.html#__filename'>Official Docs</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/107-nodejs/content/106-nodejs-command-line-apps/104-environment-variables/100-dotenv.md b/content/roadmaps/107-nodejs/content/106-nodejs-command-line-apps/104-environment-variables/100-dotenv.md
index 529755706..f8e7b4078 100644
--- a/content/roadmaps/107-nodejs/content/106-nodejs-command-line-apps/104-environment-variables/100-dotenv.md
+++ b/content/roadmaps/107-nodejs/content/106-nodejs-command-line-apps/104-environment-variables/100-dotenv.md
@@ -1 +1,10 @@
-# Dotenv
\ No newline at end of file
+# dotenv
+
+dotenv is a zero-dependency module that loads environment variables from a `.env` file into [process.env](https://nodejs.org/docs/latest/api/process.html#process_process_env). Storing configuration in the environment separate from code is based on [The Twelve-Factor App methodology](https://12factor.net/config).
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+
+<BadgeLink colorScheme='blue' badgeText='Official Docs' href='https://github.com/motdotla/dotenv#readme'>dotenv Docs</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.npmjs.com/package/dotenv'>Dotenv package</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://zetcode.com/javascript/dotenv/'>Dotenv tutorial</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.freecodecamp.org/news/how-to-use-node-environment-variables-with-a-dotenv-file-for-node-js-and-npm/'>How to Use Node Environment Variables with a DotEnv File for Node.js and npm</BadgeLink>
diff --git a/content/roadmaps/107-nodejs/content/106-nodejs-command-line-apps/104-environment-variables/101-process-env.md b/content/roadmaps/107-nodejs/content/106-nodejs-command-line-apps/104-environment-variables/101-process-env.md
index 6beec3a92..97e8c6312 100644
--- a/content/roadmaps/107-nodejs/content/106-nodejs-command-line-apps/104-environment-variables/101-process-env.md
+++ b/content/roadmaps/107-nodejs/content/106-nodejs-command-line-apps/104-environment-variables/101-process-env.md
@@ -1 +1,7 @@
-# Process env
\ No newline at end of file
+# process.env
+
+In Node. js, process. env is a global variable that is injected during runtime. It is a view of the state of the system environment variables. When we set an environment variable, it is loaded into process.env during runtime and can later be accessed.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.knowledgehut.com/blog/web-development/node-environment-variables'>Process.env Node</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.geeksforgeeks.org/node-js-process-env-property/'>Node.js process.env Property</BadgeLink>
diff --git a/content/roadmaps/107-nodejs/content/106-nodejs-command-line-apps/104-environment-variables/readme.md b/content/roadmaps/107-nodejs/content/106-nodejs-command-line-apps/104-environment-variables/readme.md
index 4f958fbd4..0a1d359e0 100644
--- a/content/roadmaps/107-nodejs/content/106-nodejs-command-line-apps/104-environment-variables/readme.md
+++ b/content/roadmaps/107-nodejs/content/106-nodejs-command-line-apps/104-environment-variables/readme.md
@@ -1 +1,5 @@
-# Environment variables
\ No newline at end of file
+# Environment variables
+
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.geeksforgeeks.org/reading-environment-variables-from-node-js/'>Reading Environment Variables From Node.js</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.twilio.com/blog/working-with-environment-variables-in-node-js-html'>Working With Environment Variables in Node.js
+</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/107-nodejs/content/107-nodejs-apis/103-fastify.md b/content/roadmaps/107-nodejs/content/107-nodejs-apis/103-fastify.md
index e9f203aa6..0431648f0 100644
--- a/content/roadmaps/107-nodejs/content/107-nodejs-apis/103-fastify.md
+++ b/content/roadmaps/107-nodejs/content/107-nodejs-apis/103-fastify.md
@@ -1 +1,8 @@
-# Fastify
\ No newline at end of file
+# Fastify
+
+Fastify is a web framework highly focused on providing the best developer experience with the least overhead and a powerful plugin architecture, inspired by Hapi and Express.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://www.fastify.io/'>Fastify Website</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Official Documentation' href='https://www.fastify.io/docs/latest/'>Fastify Official Documentations</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=Lk-uVEVGxOA'>Beginner Fastify Tutorial</BadgeLink>
diff --git a/content/roadmaps/107-nodejs/content/107-nodejs-apis/106-axios.md b/content/roadmaps/107-nodejs/content/107-nodejs-apis/106-axios.md
index fd41e81cf..59a3a2204 100644
--- a/content/roadmaps/107-nodejs/content/107-nodejs-apis/106-axios.md
+++ b/content/roadmaps/107-nodejs/content/107-nodejs-apis/106-axios.md
@@ -1 +1,7 @@
-# Axios
\ No newline at end of file
+# Axios
+
+Axios is a promise-based HTTP Client for node.js and the browser. Used for making requests to web servers. On the server-side it uses the native node.js http module, while on the client (browser) it uses XMLHttpRequests.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Documentation' href='https://axios-http.com/docs/intro'>Axios Official Documentations</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=6LyagkoRWYA'>Axios Tutorial</BadgeLink>
diff --git a/content/roadmaps/107-nodejs/content/107-nodejs-apis/108-jsonwebtoken.md b/content/roadmaps/107-nodejs/content/107-nodejs-apis/108-jsonwebtoken.md
index 0c68c0603..c36a0143c 100644
--- a/content/roadmaps/107-nodejs/content/107-nodejs-apis/108-jsonwebtoken.md
+++ b/content/roadmaps/107-nodejs/content/107-nodejs-apis/108-jsonwebtoken.md
@@ -1 +1,8 @@
-# Jsonwebtoken
\ No newline at end of file
+# JSON Web Token
+
+JWT, or JSON-Web-Token, is an open standard for sharing security information between two parties — a client and a server. Each JWT contains encoded JSON objects, including a set of claims. JWTs are signed using a cryptographic algorithm to ensure that the claims cannot be altered after the token is issued.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink badgeText='Official Package' colorScheme="blue" href='https://www.npmjs.com/package/jsonwebtoken'>Package Documentation</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.akana.com/blog/what-is-jwt'>What is JWT</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=mbsmsi7l3r4'>JWT Implementation</BadgeLink>
diff --git a/content/roadmaps/107-nodejs/content/107-nodejs-apis/109-passport-js.md b/content/roadmaps/107-nodejs/content/107-nodejs-apis/109-passport-js.md
index 164370e97..73cb11efb 100644
--- a/content/roadmaps/107-nodejs/content/107-nodejs-apis/109-passport-js.md
+++ b/content/roadmaps/107-nodejs/content/107-nodejs-apis/109-passport-js.md
@@ -1 +1,8 @@
-# Passport js
\ No newline at end of file
+# Passport js
+
+Passport.js is authentication middleware for Node.js. It makes implementing authetication in express apps really easy and fast. It is extremely flexible and modular. It uses "strategies" to support authentication using a username and password, Facebook, Twitter, and a lot of other sites.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://www.passportjs.org/'>PassportJS Website</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Official Documentation' href='https://www.passportjs.org/docs/'>PassportJS Official Documentation</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=sakQbeRjgwg&list=PL4cUxeGkcC9jdm7QX143aMLAqyM-jTZ2x'>Implemetaion of OAuth using passportjs</BadgeLink>
diff --git a/content/roadmaps/107-nodejs/content/110-nodejs-databases/100-relational/100-knex.md b/content/roadmaps/107-nodejs/content/110-nodejs-databases/100-relational/100-knex.md
index feb8c9204..173c550e9 100644
--- a/content/roadmaps/107-nodejs/content/110-nodejs-databases/100-relational/100-knex.md
+++ b/content/roadmaps/107-nodejs/content/110-nodejs-databases/100-relational/100-knex.md
@@ -1 +1,7 @@
-# Knex
\ No newline at end of file
+# Knex
+
+Knex.js is a "batteries included" SQL query builder for PostgreSQL, CockroachDB, MSSQL, MySQL, MariaDB, SQLite3, Better-SQLite3, Oracle, and Amazon Redshift designed to be flexible, portable, and fun to use.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+
+<BadgeLink colorScheme='blue' badgeText='Official Docs' href='https://knexjs.org'>Knex.js Docs</BadgeLink>
diff --git a/content/roadmaps/107-nodejs/content/110-nodejs-databases/100-relational/101-type-orm.md b/content/roadmaps/107-nodejs/content/110-nodejs-databases/100-relational/101-type-orm.md
index b7ed73d94..ef5426a77 100644
--- a/content/roadmaps/107-nodejs/content/110-nodejs-databases/100-relational/101-type-orm.md
+++ b/content/roadmaps/107-nodejs/content/110-nodejs-databases/100-relational/101-type-orm.md
@@ -1 +1,10 @@
-# Type orm
\ No newline at end of file
+# TypeORM
+
+TypeORM is an ORM that can run in NodeJS, Browser, Cordova, PhoneGap, Ionic, React Native, NativeScript, Expo, and Electron platforms and can be used with TypeScript and JavaScript (ES5, ES6, ES7, ES8). Its goal is to always support the latest JavaScript features and provide additional features that help you to develop any kind of application that uses databases - from small applications with a few tables to large scale enterprise applications with multiple databases.
+
+TypeORM supports both [Active Record](https://typeorm.io/active-record-data-mapper#what-is-the-active-record-pattern) and [Data Mapper](https://typeorm.io/active-record-data-mapper#what-is-the-data-mapper-pattern) patterns, unlike all other JavaScript ORMs currently in existence, which means you can write high quality, loosely coupled, scalable, maintainable applications the most productive way.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+
+<BadgeLink colorScheme='blue' badgeText='Official Docs' href='https://typeorm.io'>TypeORM Docs</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=JaTbzPcyiOE'>TypeORM Crash Course</BadgeLink>
diff --git a/content/roadmaps/107-nodejs/content/110-nodejs-databases/100-relational/102-sequelize.md b/content/roadmaps/107-nodejs/content/110-nodejs-databases/100-relational/102-sequelize.md
index 1e6b8b02a..285d74871 100644
--- a/content/roadmaps/107-nodejs/content/110-nodejs-databases/100-relational/102-sequelize.md
+++ b/content/roadmaps/107-nodejs/content/110-nodejs-databases/100-relational/102-sequelize.md
@@ -1 +1,6 @@
-# Sequelize
\ No newline at end of file
+# Sequelize
+
+Sequelize is a modern TypeScript and Node.js ORM for Oracle, Postgres, MySQL, MariaDB, SQLite and SQL Server, and more. Featuring solid transaction support, relations, eager and lazy loading, read replication and more.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://sequelize.org/'>Sequelize Website</BadgeLink>
diff --git a/content/roadmaps/107-nodejs/content/110-nodejs-databases/100-relational/103-prisma.md b/content/roadmaps/107-nodejs/content/110-nodejs-databases/100-relational/103-prisma.md
index 7b169bebf..1cbcc483c 100644
--- a/content/roadmaps/107-nodejs/content/110-nodejs-databases/100-relational/103-prisma.md
+++ b/content/roadmaps/107-nodejs/content/110-nodejs-databases/100-relational/103-prisma.md
@@ -1 +1,7 @@
-# Prisma
\ No newline at end of file
+# Prisma
+
+Prisma is an ORM that helps app developers build faster and make fewer errors. Combined with its Data Platform developers gain reliability and visibility when working with databases.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://www.prisma.io/'>Prisma Website</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Official Documentation' href='https://www.prisma.io/docs/'>Prisma Official Documentations</BadgeLink>
diff --git a/content/roadmaps/107-nodejs/content/111-nodejs-testing/101-mocha.md b/content/roadmaps/107-nodejs/content/111-nodejs-testing/101-mocha.md
index 276bde099..268c4c1fa 100644
--- a/content/roadmaps/107-nodejs/content/111-nodejs-testing/101-mocha.md
+++ b/content/roadmaps/107-nodejs/content/111-nodejs-testing/101-mocha.md
@@ -1 +1,8 @@
-# Mocha
\ No newline at end of file
+# Mocha
+
+Mocha is an open source JavaScript test framework running on Nodejs and in the browser, making asynchronous testing simple and fun, and it's a great candidate for BDD (Behavior Driven Development).
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink badgeText='Website' colorScheme="yellow" href='https://www.npmjs.com/package/mocha'>Official Website</BadgeLink>
+<BadgeLink badgeText='Documentation' colorScheme="yellow" href='https://mochajs.org/'>Mocha Documentation</BadgeLink>
+<BadgeLink badgeText='Youtube playlist' colorScheme="red" href='https://youtube.com/playlist?list=PLgbtO1Bcz4C-vU0JLfDBsZGbSUdNX4mQ8'>Mocha Tutorial</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/107-nodejs/content/111-nodejs-testing/102-cypress.md b/content/roadmaps/107-nodejs/content/111-nodejs-testing/102-cypress.md
index c881065db..7ca1ebdd8 100644
--- a/content/roadmaps/107-nodejs/content/111-nodejs-testing/102-cypress.md
+++ b/content/roadmaps/107-nodejs/content/111-nodejs-testing/102-cypress.md
@@ -1 +1,7 @@
-# Cypress
\ No newline at end of file
+# Cypress
+
+Cypress is a new front end testing tool built for the modern web. It enables you to write faster, easier and more reliable tests.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink badgeText='Official Website' colorScheme='blue' href='https://www.cypress.io/'>Cypress Website</BadgeLink>
+<BadgeLink badgeText='Documentation' colorScheme='blue' href='https://docs.cypress.io/'>Cypress Documentation</BadgeLink>
diff --git a/content/roadmaps/107-nodejs/content/112-nodejs-logging/100-morgan.md b/content/roadmaps/107-nodejs/content/112-nodejs-logging/100-morgan.md
index 3004aace3..390eeae6a 100644
--- a/content/roadmaps/107-nodejs/content/112-nodejs-logging/100-morgan.md
+++ b/content/roadmaps/107-nodejs/content/112-nodejs-logging/100-morgan.md
@@ -1 +1,7 @@
-# Morgan
\ No newline at end of file
+# Morgan
+
+Morgan is a NodeJS and express.js middleware to log the HTTP request and error, simplifying the debugging process. It provides flexibility in defining the format of log messages and helps override the output destination for your logs.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink badgeText='Read' colorScheme="yellow" href='https://www.npmjs.com/package/morgan'>Official Website</BadgeLink>
+<BadgeLink badgeText='Read' colorScheme="blue" href='https://www.digitalocean.com/community/tutorials/nodejs-getting-started-morgan'>How to use Morgan|DigitalOcean</BadgeLink>
diff --git a/content/roadmaps/109-golang/content/100-go-basics/106-errors-panic-recover.md b/content/roadmaps/109-golang/content/100-go-basics/106-errors-panic-recover.md
index 1da9c2efb..a06864b21 100644
--- a/content/roadmaps/109-golang/content/100-go-basics/106-errors-panic-recover.md
+++ b/content/roadmaps/109-golang/content/100-go-basics/106-errors-panic-recover.md
@@ -1 +1,12 @@
-# Errors panic recover
\ No newline at end of file
+# Errors/Panic/Recover
+
+In lieu of adding exception handlers, the Go creators exploited Go’s ability to return multiple values. The most commonly used Go technique for issuing errors is to return the error as the last value in a return.
+
+A panic typically means something went unexpectedly wrong. Mostly used to fail fast on errors that shouldn’t occur during normal operation, or that we aren’t prepared to handle gracefully.
+
+Panic recovery in Go depends on a feature of the language called deferred functions. Go has the ability to guarantee the execution of a function at the moment its parent function returns. This happens regardless of whether the reason for the parent function’s return is a return statement, the end of the function block, or a panic.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://go.dev/blog/error-handling-and-go'>Error handling and Go</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://go.dev/blog/defer-panic-and-recover'>Go Defer, Panic and Recover</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://earthly.dev/blog/golang-errors/'>Effective error handling in Go</BadgeLink>
diff --git a/content/roadmaps/109-golang/content/100-go-basics/109-packages.md b/content/roadmaps/109-golang/content/100-go-basics/109-packages.md
index 9dcad6f26..a76886a69 100644
--- a/content/roadmaps/109-golang/content/100-go-basics/109-packages.md
+++ b/content/roadmaps/109-golang/content/100-go-basics/109-packages.md
@@ -1 +1,11 @@
-# Packages
\ No newline at end of file
+# Packages
+
+Packages are the most powerful part of the Go language. The purpose of a package is to design and maintain a large number of programs by grouping related features together into single units so that they can be easy to maintain and understand and independent of the other package programs. This modularity allows them to share and reuse. In Go language, every package is defined with a different name and that name is close to their functionality like “strings” package and it contains methods and functions that only related to strings.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.golang-book.com/books/intro/11'>How to create a package in Go</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://go.dev/doc/modules/managing-dependencies'>How to manage external dependencies in Go</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Search Packages' href='https://pkg.go.dev/'>Go Packages explorer</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://pkg.go.dev/std'>Standard library</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.geeksforgeeks.org/packages-in-golang/'>Packages in Golang</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.programiz.com/golang/packages'>Go Packages</BadgeLink>
diff --git a/content/roadmaps/109-golang/content/101-go-advanced/100-go-modules.md b/content/roadmaps/109-golang/content/101-go-advanced/100-go-modules.md
index 2b193139b..b8cd59c7c 100644
--- a/content/roadmaps/109-golang/content/101-go-advanced/100-go-modules.md
+++ b/content/roadmaps/109-golang/content/101-go-advanced/100-go-modules.md
@@ -1 +1,13 @@
-# Go modules
\ No newline at end of file
+# Modules
+
+Go modules are a group of related packages that are versioned and distributed together. They specify the requirements of our project, list all the required dependencies, and help us keep track of the specific versions of installed dependencies.  
+
+Modules are identified by a module path that is declared in the first line of the go.mod file in our project.  
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink badgeText='Read' href='https://www.digitalocean.com/community/tutorials/how-to-use-go-modules'>DigitalOcean: How to use Go Modules</BadgeLink>
+<BadgeLink badgeText='Read' href='https://go.dev/blog/using-go-modules'>Using Go Modules</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://youtu.be/7xSxIwWJ9R4'>Go Modules Explained in 5 Minutes (by Golang Dojo on YouTube)</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://go.dev/doc/tutorial/create-module'>How to create a module in Go</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://go.dev/blog/using-go-modules'>How to use modules in Go</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://jfrog.com/blog/converting-projects-for-go-modules/'>How to modify existing projects to use Go modules</BadgeLink>
diff --git a/content/roadmaps/109-golang/content/101-go-advanced/103-interfaces.md b/content/roadmaps/109-golang/content/101-go-advanced/103-interfaces.md
index ae1d147ef..c798778b6 100644
--- a/content/roadmaps/109-golang/content/101-go-advanced/103-interfaces.md
+++ b/content/roadmaps/109-golang/content/101-go-advanced/103-interfaces.md
@@ -1 +1,10 @@
-# Interfaces
\ No newline at end of file
+# Interfaces
+
+An interface in Go, is a type that defines a set of methods. If we have a type (e.g. struct) that implements that set of methods, then we have a type that implements this interface.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://go.dev/tour/methods/9'>Go Interfaces</BadgeLink>
+<BadgeLink badgeText='Read' href='https://gobyexample.com/interfaces'>Go by Example: Interfaces</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=lh_Uv2imp14'>Golang Tutorial #22 - Interfaces (by Tech With Tim on YouTube)</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=KB3ysH8cupY'>Learn Go Interfaces</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/109-golang/content/101-go-advanced/104-context.md b/content/roadmaps/109-golang/content/101-go-advanced/104-context.md
index cced069fd..223b2c9e8 100644
--- a/content/roadmaps/109-golang/content/101-go-advanced/104-context.md
+++ b/content/roadmaps/109-golang/content/101-go-advanced/104-context.md
@@ -1 +1,8 @@
-# Context
\ No newline at end of file
+# Context
+
+The `context` package provides a standard way to solve the problem of managing state during a request. The package satisfies the need for request scoped data and provides a standardized way to handle: Deadlines, Cancellation Signals, etc.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink badgeText='Watch' href='https://youtu.be/h2RdcrMLQAo'>Understanding Contexts in Go</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.digitalocean.com/community/tutorials/how-to-use-contexts-in-go'>DigitalOcean: How to Use Contests in Go</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://gobyexample.com/context'>Go by Example: Context</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/109-golang/content/101-go-advanced/105-goroutines.md b/content/roadmaps/109-golang/content/101-go-advanced/105-goroutines.md
index 33725778d..286eb1cfa 100644
--- a/content/roadmaps/109-golang/content/101-go-advanced/105-goroutines.md
+++ b/content/roadmaps/109-golang/content/101-go-advanced/105-goroutines.md
@@ -1 +1,11 @@
-# Goroutines
\ No newline at end of file
+# Goroutines  
+
+Goroutines allow us to write concurrent programs in Go. Things like web servers handling thousands of requests or a website rendering new pages while also concurrently making network requests are a few example of concurrency.  
+
+In Go, each of these concurrent tasks are called `Goroutines`.  
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://go.dev/tour/concurrency/1'>Goroutines</BadgeLink>
+<BadgeLink badgeText='Read' href='https://www.geeksforgeeks.org/goroutines-concurrency-in-golang/#:~:text=A%20Goroutine%20is%20a%20function,is%20known%20as%20a%20Goroutines.'>GeeksForGeeks: Goroutines – Concurrency in Golang</BadgeLink>
+<BadgeLink badgeText='Read' href='https://gobyexample.com/goroutines'>Go by Example: Goroutines</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://youtu.be/oHIbeTmmTaA'>Golang Goroutine Basics You MUST Learn! (by Golang Dojo on YouTube)</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/109-golang/content/101-go-advanced/106-channels.md b/content/roadmaps/109-golang/content/101-go-advanced/106-channels.md
index bf27c3575..3423c322e 100644
--- a/content/roadmaps/109-golang/content/101-go-advanced/106-channels.md
+++ b/content/roadmaps/109-golang/content/101-go-advanced/106-channels.md
@@ -1 +1,10 @@
-# Channels
\ No newline at end of file
+# Channels
+
+Channels are a programming construct. The idea of channels in Go is to use them with your Goroutines as a pipeline in order to communicate between multiple Goroutines using the channel operator which looks like an arrow: `<-`.
+
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://go.dev/tour/concurrency/2'>Channels</BadgeLink>
+<BadgeLink badgeText='Read' href='https://www.geeksforgeeks.org/channel-in-golang/'>GeeksForGeeks: Channel in Golang</BadgeLink>
+<BadgeLink badgeText='Read' href='https://gobyexample.com/channels'>Go by Example: Channels</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://youtu.be/LgCmPHqAuf4'>Golang Channel Basics You MUST Know! (by Golang Dojo on YouTube)</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/109-golang/content/102-go-building-clis/101-urfave-cli.md b/content/roadmaps/109-golang/content/102-go-building-clis/101-urfave-cli.md
index 634c970ee..b92d11a67 100644
--- a/content/roadmaps/109-golang/content/102-go-building-clis/101-urfave-cli.md
+++ b/content/roadmaps/109-golang/content/102-go-building-clis/101-urfave-cli.md
@@ -1 +1,9 @@
-# Urfave cli
\ No newline at end of file
+# Urfave cli
+
+Urfave cli is a simple, fast, and fun package for building command line apps in Go.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='GitHub Repository' href='https://github.com/urfave/cli'>Urfave cli Github Repo</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://cli.urfave.org/'>Urfave cli Website</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://blog.hackajob.co/how-to-build-cli-in-go/'>How to Build cli in Go</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://zerokspot.com/weblog/2021/01/25/building-a-cli-using-urfave-cli/'>Building CLI using urfave cli</BadgeLink>
diff --git a/content/roadmaps/109-golang/content/103-go-orms/100-gorm.md b/content/roadmaps/109-golang/content/103-go-orms/100-gorm.md
index af46a8916..a372a293d 100644
--- a/content/roadmaps/109-golang/content/103-go-orms/100-gorm.md
+++ b/content/roadmaps/109-golang/content/103-go-orms/100-gorm.md
@@ -1 +1,7 @@
-# Gorm
\ No newline at end of file
+# Gorm
+
+The GORM is fantastic ORM library for Golang, aims to be developer friendly. It is an ORM library for dealing with relational databases. This gorm library is developed on the top of database/sql package. The overview and feature of ORM are: Full-Featured ORM (almost)
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://gorm.io/docs/index.html'>Gorm</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://pkg.go.dev/gorm.io/gorm'>Gorm Package</BadgeLink>
diff --git a/content/roadmaps/109-golang/content/104-go-web-frameworks/100-beego.md b/content/roadmaps/109-golang/content/104-go-web-frameworks/100-beego.md
index 0494aea7c..f320e3ad5 100644
--- a/content/roadmaps/109-golang/content/104-go-web-frameworks/100-beego.md
+++ b/content/roadmaps/109-golang/content/104-go-web-frameworks/100-beego.md
@@ -1 +1,7 @@
-# Beego
\ No newline at end of file
+# Beego
+
+Beego is used for rapid development of enterprise application in Go, including RESTful APIs, web apps and backend services. It is inspired by Tornado, Sinatra and Flask. beego has some Go-specific features such as interfaces and struct embedding.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://github.com/beego/beego'>Github Repository</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://beego.vip/quickstart'>Official Website</BadgeLink>
diff --git a/content/roadmaps/109-golang/content/104-go-web-frameworks/101-gin.md b/content/roadmaps/109-golang/content/104-go-web-frameworks/101-gin.md
index 617f8d1d8..8380c86e5 100644
--- a/content/roadmaps/109-golang/content/104-go-web-frameworks/101-gin.md
+++ b/content/roadmaps/109-golang/content/104-go-web-frameworks/101-gin.md
@@ -1 +1,7 @@
-# Gin
\ No newline at end of file
+# Gin
+
+Gin is a high-performance HTTP web framework written in Golang (Go). Gin has a martini-like API and claims to be up to 40 times faster. Gin allows you to build web applications and microservices in Go.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://github.com/gin-gonic/gin'>Gin</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://pkg.go.dev/github.com/gin-gonic/gin'>Gin Web Framework</BadgeLink>
diff --git a/content/roadmaps/109-golang/content/104-go-web-frameworks/102-revel.md b/content/roadmaps/109-golang/content/104-go-web-frameworks/102-revel.md
index bd32b01de..8e9e2c8ae 100644
--- a/content/roadmaps/109-golang/content/104-go-web-frameworks/102-revel.md
+++ b/content/roadmaps/109-golang/content/104-go-web-frameworks/102-revel.md
@@ -1 +1,7 @@
-# Revel
\ No newline at end of file
+# Revel
+
+Revel organizes endpoints into Controllers. They provide easy data binding and form validation. Revel makes Go Templates simple to use at scale. Register functionality to be called before or after actions.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://revel.github.io/tutorial/index.html'>Revel</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://pkg.go.dev/github.com/revel/revel'>Revel Packages</BadgeLink>
diff --git a/content/roadmaps/109-golang/content/104-go-web-frameworks/103-echo.md b/content/roadmaps/109-golang/content/104-go-web-frameworks/103-echo.md
index 183516c34..59b95aee0 100644
--- a/content/roadmaps/109-golang/content/104-go-web-frameworks/103-echo.md
+++ b/content/roadmaps/109-golang/content/104-go-web-frameworks/103-echo.md
@@ -1 +1,7 @@
-# Echo
\ No newline at end of file
+# Echo
+
+Echo is a performance-focused, extensible, open-source Go web application framework. It is a minimalist web framework that stands between stdlib + router and a full-stack web framework.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://github.com/labstack/echo'>Github Repository</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://echo.labstack.com/'>Official Website</BadgeLink>
diff --git a/content/roadmaps/109-golang/content/104-go-web-frameworks/104-gorilla.md b/content/roadmaps/109-golang/content/104-go-web-frameworks/104-gorilla.md
index 8c29a41cf..82c81334d 100644
--- a/content/roadmaps/109-golang/content/104-go-web-frameworks/104-gorilla.md
+++ b/content/roadmaps/109-golang/content/104-go-web-frameworks/104-gorilla.md
@@ -1 +1,7 @@
-# Gorilla
\ No newline at end of file
+# Gorilla
+
+Gorilla is a web toolkit for the Go programming language that provides useful, composable packages for writing HTTP-based applications.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://github.com/gorilla'>Github Repository</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.gorillatoolkit.org/'>Official Website</BadgeLink>
diff --git a/content/roadmaps/109-golang/content/104-go-web-frameworks/105-gofiber.md b/content/roadmaps/109-golang/content/104-go-web-frameworks/105-gofiber.md
index f4a451b07..af552b3c3 100644
--- a/content/roadmaps/109-golang/content/104-go-web-frameworks/105-gofiber.md
+++ b/content/roadmaps/109-golang/content/104-go-web-frameworks/105-gofiber.md
@@ -1 +1,7 @@
-# Gofiber
\ No newline at end of file
+# Gofiber
+
+Go Fiber is an Express-inspired framework for Golang. Go Fiber is a web framework built on top of fast HTTP. It can be used to handle operations such as routing/endpoints, middleware, server request, etc.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://github.com/gofiber/fiber'>Github Repository</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://docs.gofiber.io/'>Official Website Docs</BadgeLink>
diff --git a/content/roadmaps/109-golang/content/104-go-web-frameworks/106-buffalo.md b/content/roadmaps/109-golang/content/104-go-web-frameworks/106-buffalo.md
index 84c98ee17..989cd7b8c 100644
--- a/content/roadmaps/109-golang/content/104-go-web-frameworks/106-buffalo.md
+++ b/content/roadmaps/109-golang/content/104-go-web-frameworks/106-buffalo.md
@@ -1 +1,7 @@
-# Buffalo
\ No newline at end of file
+# Buffalo
+
+Buffalo helps you to generate a web project that already has everything from front-end (JavaScript, SCSS, etc.) to the back-end (database, routing, etc.) already hooked up and ready to run. From there it provides easy APIs to build your web application quickly in Go.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://github.com/gobuffalo/buffalo'>Github Repository</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://gobuffalo.io/'>Official Website Docs</BadgeLink>
diff --git a/content/roadmaps/110-java/content/100-java-fundamentals/103-functions.md b/content/roadmaps/110-java/content/100-java-fundamentals/103-functions.md
index 1e9fd05f6..332b3cae3 100644
--- a/content/roadmaps/110-java/content/100-java-fundamentals/103-functions.md
+++ b/content/roadmaps/110-java/content/100-java-fundamentals/103-functions.md
@@ -4,7 +4,7 @@ A method/function is a way to perform some task. Similarly, in programming like
 
 <ResourceGroupTitle>Free Content</ResourceGroupTitle>
 
-<BadgeLink badgeText='Read' href='https://www.javatpoint.com/method-in-java'>Methods/Functions in Java.</BadgeLink>
-<BadgeLink badgeText='Read' href='https://www.geeksforgeeks.org/methods-in-java/'>What are methods or functions in Java.</BadgeLink>
-<BadgeLink badgeText='Read' href='https://www.w3schools.com/java/java_methods.asp'>Learn Functions/Methods in Java</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.javatpoint.com/method-in-java'>Methods/Functions in Java.</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.geeksforgeeks.org/methods-in-java/'>What are methods or functions in Java.</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.w3schools.com/java/java_methods.asp'>Learn Functions/Methods in Java</BadgeLink>
 <BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=vvanI8NRlSI'>Functions / Methods in Java</BadgeLink>
diff --git a/content/roadmaps/110-java/content/100-java-fundamentals/104-datastructures.md b/content/roadmaps/110-java/content/100-java-fundamentals/104-datastructures.md
index 5bcec5baa..7b0943c8c 100644
--- a/content/roadmaps/110-java/content/100-java-fundamentals/104-datastructures.md
+++ b/content/roadmaps/110-java/content/100-java-fundamentals/104-datastructures.md
@@ -6,3 +6,4 @@ As the name indicates itself, a **Data Structure** is a way of organizing the da
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.geeksforgeeks.org/data-structures'>What are Data Structures?</BadgeLink>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.javatpoint.com/data-structure-tutorial'> Data Structures and Algorithms</BadgeLink>
 <BadgeLink badgeText='Watch' href='https://www.coursera.org/learn/data-structures'>Data Structures and Algorithms</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.pepcoding.com/resources/'>Practice Data Structures</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/110-java/content/101-java-advanced-topics/104-networking-sockets.md b/content/roadmaps/110-java/content/101-java-advanced-topics/104-networking-sockets.md
index c1dc2274c..f57add9eb 100644
--- a/content/roadmaps/110-java/content/101-java-advanced-topics/104-networking-sockets.md
+++ b/content/roadmaps/110-java/content/101-java-advanced-topics/104-networking-sockets.md
@@ -1 +1,11 @@
-# Networking sockets
\ No newline at end of file
+# Networking sockets
+
+- Java Networking is a concept of connecting two or more computing devices together so that we can share resources.
+- Java socket programming provides facility to share data between different computing devices.
+- A socket is one endpoint of a two-way communication link between two programs running on the network. A socket is bound to a port number so that the TCP layer can identify the application that data is destined to be sent to.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://docs.oracle.com/javase/tutorial/networking/sockets/index.html'>Sockets</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://youtu.be/BqBKEXLqdvI'>What is Socket Programming?</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.geeksforgeeks.org/socket-programming-in-java/'>Socket Programming</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.tutorialspoint.com/java/java_networking.htm'>Java Networking</BadgeLink>
diff --git a/content/roadmaps/110-java/content/102-java-build-tools/100-gradle.md b/content/roadmaps/110-java/content/102-java-build-tools/100-gradle.md
index 2caf8d003..0549c69dd 100644
--- a/content/roadmaps/110-java/content/102-java-build-tools/100-gradle.md
+++ b/content/roadmaps/110-java/content/102-java-build-tools/100-gradle.md
@@ -3,4 +3,8 @@
 Gradle is an open-source build automation tool that helps software engineers to test, build, and release high-performance software products. In addition, Gradle also supports multi-language development. Currently, the supported languages for Gradle include Java, Kotlin, Groovy, Scala, C/C++, and JavaScript.
 
 <ResourceGroupTitle>Reference Resource</ResourceGroupTitle>
-<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://gradle.org/'>Gradle Website</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://gradle.org/'>Gradle</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://youtu.be/kONQCIAcWeI'>Gradle Tutorial</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://youtu.be/6V6G3RyxEMk'>Working with Gradle</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.javatpoint.com/gradle'>Gradle</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://spring.io/guides/gs/gradle/'>Building Java Projects with Gradle</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/110-java/content/102-java-build-tools/102-ant.md b/content/roadmaps/110-java/content/102-java-build-tools/102-ant.md
index 29418cada..04068da47 100644
--- a/content/roadmaps/110-java/content/102-java-build-tools/102-ant.md
+++ b/content/roadmaps/110-java/content/102-java-build-tools/102-ant.md
@@ -1 +1,9 @@
-# Ant
\ No newline at end of file
+# Ant
+
+Apache Ant is a Java library and command-line tool whose mission is to drive processes described in build files as targets and extension points dependent upon each other. The main known usage of Ant is the build of Java applications. Ant supplies a number of built-in tasks allowing to compile, assemble, test and run Java applications. Ant can also be used effectively to build non Java applications, for instance C or C++ applications. More generally, Ant can be used to pilot any type of process which can be described in terms of targets and tasks.
+
+<ResourceGroupTitle>Reference Resource</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://ant.apache.org/'>Apache Ant</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.javatpoint.com/apache-ant-tutorial'>Apache Ant Tutorial</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://en.wikipedia.org/wiki/Apache_Ant'>Apache Ant</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://youtu.be/3rizinq7bng'>What is Apache Ant?</BadgeLink>
diff --git a/content/roadmaps/110-java/content/102-java-build-tools/readme.md b/content/roadmaps/110-java/content/102-java-build-tools/readme.md
index 9e0482d4a..5422a13a1 100644
--- a/content/roadmaps/110-java/content/102-java-build-tools/readme.md
+++ b/content/roadmaps/110-java/content/102-java-build-tools/readme.md
@@ -1 +1,5 @@
-# Java build tools
\ No newline at end of file
+# Build Tools
+
+A build tool is a program or command-line utility that automates the process of compiling, assembling, and deploying software.
+
+Build tools are not only limited to compiling code; they can also help with package management, dependency handling, and continuous integration systems.
\ No newline at end of file
diff --git a/content/roadmaps/110-java/content/103-java-web-frameworks/101-spring-boot.md b/content/roadmaps/110-java/content/103-java-web-frameworks/101-spring-boot.md
index b0375a238..4aa4532a2 100644
--- a/content/roadmaps/110-java/content/103-java-web-frameworks/101-spring-boot.md
+++ b/content/roadmaps/110-java/content/103-java-web-frameworks/101-spring-boot.md
@@ -1,6 +1,11 @@
 # Sprint Boot
 
-Spring Boot is a project that is built on the top of the Spring Framework. It provides an easier and faster way to set up, configure, and run both simple and web-based applications.
+Spring Boot is an open source, microservice-based Java web framework. The Spring Boot framework creates a fully production-ready environment that is completely configurable using its prebuilt code within its codebase. The microservice architecture provides developers with a fully enclosed application, including embedded application servers.
 
 <ResourceGroupTitle>Free Content</ResourceGroupTitle>
-<BadgeLink colorScheme='blue' badgeText='Official Site' href='https://spring.io/projects/spring-boot/'>Official Site</BadgeLink>
\ No newline at end of file
+<BadgeLink colorScheme='blue' badgeText='Official Site' href='https://spring.io/projects/spring-boot/'>Spring Boot</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.ibm.com/cloud/learn/java-spring-boot'>What is Spring Boot?</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.javaguides.net/2021/07/spring-boot-tutorial-for-beginners.html'>Spring Boot Tutorial</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.baeldung.com/spring-boot'>Learn Spring Boot</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://youtu.be/vtPkZShrvXQ'>Spring Boot Tutorial</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://youtu.be/UfOxcrxhC0s'>Spring Boot for Beginners</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/110-java/content/103-java-web-frameworks/102-play-framework.md b/content/roadmaps/110-java/content/103-java-web-frameworks/102-play-framework.md
index 89dd058d5..60d2032d2 100644
--- a/content/roadmaps/110-java/content/103-java-web-frameworks/102-play-framework.md
+++ b/content/roadmaps/110-java/content/103-java-web-frameworks/102-play-framework.md
@@ -4,3 +4,6 @@ Play Framework is a high-productivity web application framework that allows the
 
 <ResourceGroupTitle>Reference Resource</ResourceGroupTitle>
 <BadgeLink colorScheme='blue' badgeText='Official Website' href='https://www.playframework.com/'>Play Framework Website</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://youtu.be/bLrmnjPQsZc'>Introduction to Play Framework</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://en.wikipedia.org/wiki/Play_Framework'>What is Play Framework?</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.baeldung.com/java-intro-to-the-play-framework'>Intro to Play Framework</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/110-java/content/103-java-web-frameworks/103-spark.md b/content/roadmaps/110-java/content/103-java-web-frameworks/103-spark.md
index c8042f74b..ffaf7d38f 100644
--- a/content/roadmaps/110-java/content/103-java-web-frameworks/103-spark.md
+++ b/content/roadmaps/110-java/content/103-java-web-frameworks/103-spark.md
@@ -1 +1,11 @@
-# Spark
\ No newline at end of file
+# Spark
+
+Spark is a micro framework for creating web applications in Kotlin and Java 8. Sinatra, a popular Ruby micro framework, was the inspiration for it.
+
+<ResourceGroupTitle>Reference Resource</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://www.playframework.com/'>Play Framework Website</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.baeldung.com/spark-framework-rest-api'>Intro to Spark framework</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.javatpoint.com/spark-java'>What is Spark java?</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://aws.amazon.com/big-data/what-is-spark/'>What is Apache spark?</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://youtu.be/znBa13Earms'>Apache Spark Tutorial</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://youtu.be/F8pyaR4uQ2g'>Apache Spark Full Course</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/110-java/content/104-java-orm/101-spring-data-jpa.md b/content/roadmaps/110-java/content/104-java-orm/101-spring-data-jpa.md
index f32f6c2bb..eeb620987 100644
--- a/content/roadmaps/110-java/content/104-java-orm/101-spring-data-jpa.md
+++ b/content/roadmaps/110-java/content/104-java-orm/101-spring-data-jpa.md
@@ -1 +1,11 @@
-# Spring data jpa
\ No newline at end of file
+# Spring data jpa
+
+Spring Data JPA aims to significantly improve the implementation of data access layers by reducing the effort to the amount that's actually needed. As a developer you write your repository interfaces, including custom finder methods, and Spring will provide the implementation automatically.
+
+<ResourceGroupTitle>Reference Resource</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://spring.io/projects/spring-data-jpa'>Spring Data JPA</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.baeldung.com/the-persistence-layer-with-spring-data-jpa'>Introduction to Spring Data JPA</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.javatpoint.com/spring-and-jpa-integration'>Spring Data JPA Tutorial</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.geeksforgeeks.org/spring-boot-spring-data-jpa/'>Spring Boot – Spring Data JPA</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://youtu.be/XszpXoII9Sg'>Spring Data JPA Tutorial</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://youtu.be/8SGI_XS5OPw'>Spring Boot Tutorial - Spring Data  JPA</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/110-java/content/104-java-orm/102-hibernate.md b/content/roadmaps/110-java/content/104-java-orm/102-hibernate.md
index c13433714..0947645ba 100644
--- a/content/roadmaps/110-java/content/104-java-orm/102-hibernate.md
+++ b/content/roadmaps/110-java/content/104-java-orm/102-hibernate.md
@@ -1 +1,7 @@
-# Hibernate
\ No newline at end of file
+# Hibernate
+
+Hibernate is an open source object-relational mapping ([ORM](https://theserverside.techtarget.com/definition/object-relational-mapping)) tool that provides a framework to map object-oriented domain models to relational databases for web applications.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Site' href='https://hibernate.org/'>Hibernate</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.javatpoint.com/hibernate-tutorial'>Hibernate Tutorial</BadgeLink>
diff --git a/content/roadmaps/110-java/content/105-java-logging-frameworks/100-log4j2.md b/content/roadmaps/110-java/content/105-java-logging-frameworks/100-log4j2.md
index a8651c0e3..bf5ef6cb6 100644
--- a/content/roadmaps/110-java/content/105-java-logging-frameworks/100-log4j2.md
+++ b/content/roadmaps/110-java/content/105-java-logging-frameworks/100-log4j2.md
@@ -1 +1,8 @@
-# Log4j2
\ No newline at end of file
+# Log4j2
+
+Apache Log4j is a Java-based logging utility. Log4j Java library's role is to log information that helps applications run smoothly, determine what's happening, and help with the debugging process when errors occur. Logging libraries typically write down messages to the log file or a database.
+
+Log4j2 is the updated version of the popular and influential log4j library, used extensively throughout the Java ecosystem for so many years. Version 2. x keeps all the logging features of its predecessor and builds on that foundation with some significant improvements, especially in the area of performance.
+
+<ResourceGroupTitle>Reference Resource</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://logging.apache.org/log4j/2.x/manual/configuration.html'>Official Website</BadgeLink>
diff --git a/content/roadmaps/110-java/content/105-java-logging-frameworks/101-logback.md b/content/roadmaps/110-java/content/105-java-logging-frameworks/101-logback.md
index a39ac144c..a9f5e8e1f 100644
--- a/content/roadmaps/110-java/content/105-java-logging-frameworks/101-logback.md
+++ b/content/roadmaps/110-java/content/105-java-logging-frameworks/101-logback.md
@@ -1 +1,6 @@
-# Logback
\ No newline at end of file
+# Logback
+
+Logback is one of the most widely used logging frameworks in the Java Community. It's a replacement for its predecessor, Log4j. Logback offers a faster implementation, provides more options for configuration, and more flexibility in archiving old log files.
+
+<ResourceGroupTitle>Reference Resource</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://logback.qos.ch/manual/configuration.html'>Official Website</BadgeLink>
diff --git a/content/roadmaps/110-java/content/105-java-logging-frameworks/102-slf4j.md b/content/roadmaps/110-java/content/105-java-logging-frameworks/102-slf4j.md
index 3671ea0f4..44e10a7f3 100644
--- a/content/roadmaps/110-java/content/105-java-logging-frameworks/102-slf4j.md
+++ b/content/roadmaps/110-java/content/105-java-logging-frameworks/102-slf4j.md
@@ -1 +1,6 @@
-# Slf4j
\ No newline at end of file
+# Slf4j
+
+The SLF4J or the Simple Logging Facade for Java is an abstraction layer for various Java logging frameworks, like Log4j 2 or Logback. This allows for plugging different logging frameworks at deployment time without the need for code changes.
+
+<ResourceGroupTitle>Reference Resource</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://www.slf4j.org/'>Official Website</BadgeLink>
diff --git a/content/roadmaps/110-java/content/105-java-logging-frameworks/103-tinylog.md b/content/roadmaps/110-java/content/105-java-logging-frameworks/103-tinylog.md
index 2184f081f..573092483 100644
--- a/content/roadmaps/110-java/content/105-java-logging-frameworks/103-tinylog.md
+++ b/content/roadmaps/110-java/content/105-java-logging-frameworks/103-tinylog.md
@@ -1 +1,6 @@
-# Tinylog
\ No newline at end of file
+# Tinylog
+
+Tinylog is a lightweight open-source logging framework for Java and Android, optimized for ease of use.
+
+<ResourceGroupTitle>Reference Resource</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://tinylog.org/v1/'>Official Website</BadgeLink>
diff --git a/content/roadmaps/110-java/content/106-java-jdbc/101-jdbc-template.md b/content/roadmaps/110-java/content/106-java-jdbc/101-jdbc-template.md
index f40fe5fbc..8d285a411 100644
--- a/content/roadmaps/110-java/content/106-java-jdbc/101-jdbc-template.md
+++ b/content/roadmaps/110-java/content/106-java-jdbc/101-jdbc-template.md
@@ -1 +1,3 @@
-# Jdbc template
\ No newline at end of file
+# JDBC Template
+
+JDBCTemplate is a central class in the JDBC core package that simplifies the use of JDBC and helps to avoid common errors. It internally uses JDBC API and eliminates many problems with JDBC API. It executes SQL queries or updates, initiating iteration over ResultSets, catching JDBC exceptions, and translating them to the generic. It executes core JDBC workflow, leaving application code to provide SQL and extract results. It handles the exception and provides informative exception messages with the help of exception classes defined in the `org.springframework.dao` package.
diff --git a/content/roadmaps/110-java/content/106-java-jdbc/readme.md b/content/roadmaps/110-java/content/106-java-jdbc/readme.md
index 88dce0d2b..12883b3da 100644
--- a/content/roadmaps/110-java/content/106-java-jdbc/readme.md
+++ b/content/roadmaps/110-java/content/106-java-jdbc/readme.md
@@ -1 +1,7 @@
-# Java jdbc
\ No newline at end of file
+# Java JDBC
+
+JDBC is an API(Application programming interface) used in java programming to interact with databases. The classes and interfaces of JDBC allow the application to send requests made by users to the specified database.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink badgeText='Read' colorScheme='yellow' href='https://www.geeksforgeeks.org/introduction-to-jdbc/'>Introduction to JDBC</BadgeLink>
+<BadgeLink badgeText='Read' colorScheme='yellow' href='https://www.ibm.com/docs/en/informix-servers/12.10?topic=started-what-is-jdbc'>IBM: What is JDBC</BadgeLink>
diff --git a/content/roadmaps/112-blockchain/content/101-blockchain-general-knowledge/106-cryptography.md b/content/roadmaps/112-blockchain/content/101-blockchain-general-knowledge/106-cryptography.md
index 9254a1761..62ba797b0 100644
--- a/content/roadmaps/112-blockchain/content/101-blockchain-general-knowledge/106-cryptography.md
+++ b/content/roadmaps/112-blockchain/content/101-blockchain-general-knowledge/106-cryptography.md
@@ -6,3 +6,5 @@ Cryptography, or cryptology, is the practice and study of techniques for secure
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://en.wikipedia.org/wiki/Cryptography'>Cryptography</BadgeLink>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.synopsys.com/glossary/what-is-cryptography.html'>What is Cryptography</BadgeLink>
 <BadgeLink badgeText='Watch' href='https://youtu.be/AQDCe585Lnc'>Asymmetric Encryption - Simply explained</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=6_Cxj5WKpIw'>What is Cryptography?</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=trHox1bN5es'>Learn Cryptography</BadgeLink>
diff --git a/content/roadmaps/113-qa/content/100-qa-basics/101-tester-mindset.md b/content/roadmaps/113-qa/content/100-qa-basics/101-tester-mindset.md
index 382f07f60..6a7d49aa0 100644
--- a/content/roadmaps/113-qa/content/100-qa-basics/101-tester-mindset.md
+++ b/content/roadmaps/113-qa/content/100-qa-basics/101-tester-mindset.md
@@ -1 +1,14 @@
-# Tester mindset
\ No newline at end of file
+# Tester Mindset
+
+As a Quality Assurance Engineer, your job is to look for the weak spots in a product, whatever that product may be, and report them back, so that they can be fixed and thus, the product you are working on can be of the highest quality possible.
+
+To do your job successfully, you need to have a Testing mindset. What does that mean? Among other things, it means you have to think in the most destructive way possible and be as creative as possible.
+
+A few important points:
+- Know the product you are testing
+- Don’t be afraid to think outside of the box when you are testing it
+- Don’t be afraid to misuse it as much as possible. 
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://softwaretester.careers/the-software-testers-mindset/'>The Software Tester’s Mindset</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://medium.com/@blakenorrish/how-to-think-like-a-tester-7a174ff6aeaf'>How to Think Like a Tester</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/113-qa/content/100-qa-basics/104-test-prioritization.md b/content/roadmaps/113-qa/content/100-qa-basics/104-test-prioritization.md
index e8ac88e40..7b2d9b79d 100644
--- a/content/roadmaps/113-qa/content/100-qa-basics/104-test-prioritization.md
+++ b/content/roadmaps/113-qa/content/100-qa-basics/104-test-prioritization.md
@@ -1 +1,9 @@
-# Test prioritization
\ No newline at end of file
+# Test Prioritization
+
+Test prioritization is ordering the test cases to be conducted eventually. Prioritizing test cases aids to meet two important constraints, namely time and budget in software testing to enhance the fault detection rate as early as possible.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink badgeText='Read' colorScheme="yellow" href='https://www.browserstack.com/guide/test-case-prioritization'>A Tour of what is Test Prioritization?</BadgeLink>
+<BadgeLink badgeText='Read' colorScheme="yellow" href='https://www.professionalqa.com/test-prioritization'>Test Prioritization</BadgeLink>
+<BadgeLink badgeText='Read' colorScheme="yellow" href='https://www.geeksforgeeks.org/test-case-prioritization-in-software-testing/'>Learn about Test Prioritization</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://testomat.io/features/test-case-priorities/'>Test Prioritization fundamentals!</BadgeLink>
diff --git a/content/roadmaps/113-qa/content/100-qa-basics/105-manage-your-testing/100-qtest.md b/content/roadmaps/113-qa/content/100-qa-basics/105-manage-your-testing/100-qtest.md
index cf560c59a..312033737 100644
--- a/content/roadmaps/113-qa/content/100-qa-basics/105-manage-your-testing/100-qtest.md
+++ b/content/roadmaps/113-qa/content/100-qa-basics/105-manage-your-testing/100-qtest.md
@@ -1 +1,7 @@
-# Qtest
\ No newline at end of file
+# QTest
+
+qTest is a test management tool used for Project Management, Bug Tracking, and Test Management. It follows the centralized test management concept that helps to communicate easily and assists in rapid development of task across QA team and other stakeholders.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.tutorialspoint.com/qtest/qtest_introduction.htm'>QTest tutorial</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=1q8vQ2XF9QE'>Getting Started with qTest and Parameters</BadgeLink>
diff --git a/content/roadmaps/113-qa/content/100-qa-basics/107-testing-techniques/101-non-functional-testing/accessibility-testing.md b/content/roadmaps/113-qa/content/100-qa-basics/107-testing-techniques/101-non-functional-testing/accessibility-testing.md
index 8e93fac42..f0e3d4cba 100644
--- a/content/roadmaps/113-qa/content/100-qa-basics/107-testing-techniques/101-non-functional-testing/accessibility-testing.md
+++ b/content/roadmaps/113-qa/content/100-qa-basics/107-testing-techniques/101-non-functional-testing/accessibility-testing.md
@@ -1 +1,7 @@
-# Accessibility testing
\ No newline at end of file
+# Accessibility Testing
+
+Accessibility Testing is defined as a type of Software Testing performed to ensure that the application being tested is usable by people with disabilities like hearing, color blindness, old age, and other disadvantaged groups.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.guru99.com/accessibility-testing.html'>What is Accessibility Testing? (Examples)</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.softwaretestinghelp.com/what-is-web-accessibility-testing/'>Accessibility Testing Tutorial (Step By Step Guide)</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/113-qa/content/100-qa-basics/107-testing-techniques/101-non-functional-testing/load-testing.md b/content/roadmaps/113-qa/content/100-qa-basics/107-testing-techniques/101-non-functional-testing/load-testing.md
index dc11a364b..7578df565 100644
--- a/content/roadmaps/113-qa/content/100-qa-basics/107-testing-techniques/101-non-functional-testing/load-testing.md
+++ b/content/roadmaps/113-qa/content/100-qa-basics/107-testing-techniques/101-non-functional-testing/load-testing.md
@@ -4,4 +4,4 @@ Load Testing is a type of Performance Testing that determines the performance of
 
 <ResourceGroupTitle>Free Content</ResourceGroupTitle>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.geeksforgeeks.org/software-testing-load-testing/'>Software Testing: Load Testing</BadgeLink>
-<BadgeLink colorScheme='yellow' badgeText='Read' href='https://loadninja.com/load-testing/'>Load testing and Best Practises</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://loadninja.com/load-testing/'>Load testing and Best Practises</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/113-qa/content/100-qa-basics/107-testing-techniques/101-non-functional-testing/performance-testing.md b/content/roadmaps/113-qa/content/100-qa-basics/107-testing-techniques/101-non-functional-testing/performance-testing.md
index 03fe0ab64..7d9d40084 100644
--- a/content/roadmaps/113-qa/content/100-qa-basics/107-testing-techniques/101-non-functional-testing/performance-testing.md
+++ b/content/roadmaps/113-qa/content/100-qa-basics/107-testing-techniques/101-non-functional-testing/performance-testing.md
@@ -1 +1,20 @@
-# Performance testing
\ No newline at end of file
+# Performance Testing
+
+Performance Testing is a subset of Performance Engineering. It is a process of evaluating a system’s behavior under various extreme conditions. The main intent of performance testing is monitoring and improving key performance indicators such as response time, throughput, memory, CPU utilization, and more.
+
+There are three objectives (three S) of Performance testing to observe and evaluate: `Speed`, `Scalability`, and `Stability`.
+
+## Types of Performance Testing
+
+Following are the commonly used performance testing types, but not limited to:
+
+- Load Testing
+- Stress Testing
+- Spike Testing
+- Endurance Testing
+- Volume Testing
+- Scalability Testing
+- Capacity Testing
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.guru99.com/performance-testing.html'>Performance Testing Tutorial – Types (Example)</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/113-qa/content/100-qa-basics/107-testing-techniques/101-non-functional-testing/readme.md b/content/roadmaps/113-qa/content/100-qa-basics/107-testing-techniques/101-non-functional-testing/readme.md
index 8bc946db2..f7d5b9ae3 100644
--- a/content/roadmaps/113-qa/content/100-qa-basics/107-testing-techniques/101-non-functional-testing/readme.md
+++ b/content/roadmaps/113-qa/content/100-qa-basics/107-testing-techniques/101-non-functional-testing/readme.md
@@ -1 +1,7 @@
-# Non functional testing
\ No newline at end of file
+# Non-Functional Testing
+
+Non-functional testing is a type of software testing to test non-functional parameters such as reliability, load test, performance, and accountability of the software. The primary purpose of non-functional testing is to test the reading speed of the software system as per non-functional parameters. The parameters of non-functional testing are never tested before the functional testing.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.browserstack.com/guide/what-is-non-functional-testing'>What is Non Functional Testing</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.guru99.com/non-functional-testing.html'>Types of Non Functional Testing</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/113-qa/content/100-qa-basics/107-testing-techniques/101-non-functional-testing/security-testing.md b/content/roadmaps/113-qa/content/100-qa-basics/107-testing-techniques/101-non-functional-testing/security-testing.md
index e63cad834..650ce2afd 100644
--- a/content/roadmaps/113-qa/content/100-qa-basics/107-testing-techniques/101-non-functional-testing/security-testing.md
+++ b/content/roadmaps/113-qa/content/100-qa-basics/107-testing-techniques/101-non-functional-testing/security-testing.md
@@ -1 +1,7 @@
-# Security testing
\ No newline at end of file
+# Security Testing
+
+Security Testing is a type of Software Testing that uncovers vulnerabilities, threats, or risks in a software application and prevents malicious attacks from intruders. The purpose of Security Tests is to identify all possible loopholes and weaknesses of the software system which might result in a loss of information, revenue, repute at the hands of the employees or outsiders of the organization.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.guru99.com/what-is-security-testing.html'>What is Security Testing? Types with Example</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://brightsec.com/blog/security-testing/'>Security Testing: Types, Tools, and Best Practices</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/113-qa/content/100-qa-basics/107-testing-techniques/101-non-functional-testing/stress-testing.md b/content/roadmaps/113-qa/content/100-qa-basics/107-testing-techniques/101-non-functional-testing/stress-testing.md
index fa138e62c..55e15f086 100644
--- a/content/roadmaps/113-qa/content/100-qa-basics/107-testing-techniques/101-non-functional-testing/stress-testing.md
+++ b/content/roadmaps/113-qa/content/100-qa-basics/107-testing-techniques/101-non-functional-testing/stress-testing.md
@@ -1 +1,8 @@
-# Stress testing
\ No newline at end of file
+# Stress Testing
+
+`Stress Testing` is a type of `Performance Testing`. The objective of stress testing is to identify the breaking point of application under test under extreme normal load.
+
+e.g. Injecting high volume of requests per second to an API might cause the disruption to its service, or throws HTTP 503 Service Unavailable or cause other consequences.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.guru99.com/stress-testing-tutorial.html'>What is Stress Testing in Software Testing?</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/113-qa/content/101-qa-sdlc/100-waterfall-model.md b/content/roadmaps/113-qa/content/101-qa-sdlc/100-waterfall-model.md
index 1b3ad2a1c..6f41a1bb3 100644
--- a/content/roadmaps/113-qa/content/101-qa-sdlc/100-waterfall-model.md
+++ b/content/roadmaps/113-qa/content/101-qa-sdlc/100-waterfall-model.md
@@ -1 +1,6 @@
-# Waterfall model
\ No newline at end of file
+# Waterfall Model
+
+Waterfall Model is a sequential model that divides software development into pre-defined phases. Each phase must be completed before the next phase can begin with no overlap between the phases. Each phase is designed for performing specific activity during the SDLC phase.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.guru99.com/what-is-sdlc-or-waterfall-model.html'>What is Waterfall Model in SDLC? Advantages and Disadvantages</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/113-qa/content/101-qa-sdlc/101-v-model.md b/content/roadmaps/113-qa/content/101-qa-sdlc/101-v-model.md
index d87245b11..ab7d75f09 100644
--- a/content/roadmaps/113-qa/content/101-qa-sdlc/101-v-model.md
+++ b/content/roadmaps/113-qa/content/101-qa-sdlc/101-v-model.md
@@ -1 +1,7 @@
-# V model
\ No newline at end of file
+# V Model
+
+V Model is a highly disciplined SDLC model that has a testing phase parallel to each development phase. The V model is an extension of the waterfall model wherein software development and testing is executed in a sequential way. It's also known as the Validation or Verification Model.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.guru99.com/v-model-software-testing.html'>V-Model in Software Testing</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.geeksforgeeks.org/software-engineering-sdlc-v-model/'>SDLC V-Model</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/113-qa/content/101-qa-sdlc/102-agile-model/readme.md b/content/roadmaps/113-qa/content/101-qa-sdlc/102-agile-model/readme.md
index 477e4891b..ff2d16eb9 100644
--- a/content/roadmaps/113-qa/content/101-qa-sdlc/102-agile-model/readme.md
+++ b/content/roadmaps/113-qa/content/101-qa-sdlc/102-agile-model/readme.md
@@ -1 +1,9 @@
-# Agile model
\ No newline at end of file
+# Agile Model
+
+The agile model refers to a software development approach based on iterative development. Agile methods break tasks into smaller iterations or parts that do not directly involve long-term planning. The project scope and requirements are laid down at the beginning of the development process. Plans regarding the number of iterations, the duration, and the scope of each iteration are clearly defined in advance.
+
+The Agile software development methodology is one of the simplest and most effective processes to turn a vision for a business need into software solutions.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.guru99.com/agile-scrum-extreme-testing.html'>Agile Methodology: What is Agile Model in Software Testing?</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.javatpoint.com/software-engineering-agile-model'>Agile Model</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/113-qa/content/101-qa-sdlc/readme.md b/content/roadmaps/113-qa/content/101-qa-sdlc/readme.md
index 497ce3033..815c95c17 100644
--- a/content/roadmaps/113-qa/content/101-qa-sdlc/readme.md
+++ b/content/roadmaps/113-qa/content/101-qa-sdlc/readme.md
@@ -1 +1,8 @@
-# Qa sdlc
\ No newline at end of file
+# SDLC
+
+The Software Development Life Cycle (SDLC) is a process followed for a software project, within a software organization. It consists of a detailed plan describing how to develop, maintain, replace and alter or enhance specific software. The life cycle defines a methodology for improving the quality of software and the overall development process.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://cadabra.studio/blog/why-is-quality-assurance-important-qa-role-in-sdlc/'>QA Role In SDLC: Why Is Quality Assurance Important In IT</BadgeLink>
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.tutorialspoint.com/sdlc/sdlc_overview.htm'>SDLC Overview</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/113-qa/content/102-qa-manual-testing/readme.md b/content/roadmaps/113-qa/content/102-qa-manual-testing/readme.md
index dfc21ba60..2472bd892 100644
--- a/content/roadmaps/113-qa/content/102-qa-manual-testing/readme.md
+++ b/content/roadmaps/113-qa/content/102-qa-manual-testing/readme.md
@@ -1 +1,7 @@
-# Qa manual testing
\ No newline at end of file
+# QA Manual Testing
+
+Manual Testing is a type of software testing in which test cases are executed manually by a tester without using any automated tools. The purpose of Manual Testing is to identify the bugs, issues, and defects in the software application. Manual software testing is the most primitive technique of all testing types and it helps to find critical bugs in the software application.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.guru99.com/manual-testing.html'>Manual Testing Tutorial: What is, Types, Concepts</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.javatpoint.com/manual-testing'>Manual Testing</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/113-qa/content/103-qa-automated-testing/100-frontend-automation/100-basic-introduction/html-css-javascript.md b/content/roadmaps/113-qa/content/103-qa-automated-testing/100-frontend-automation/100-basic-introduction/html-css-javascript.md
index 59e4e20cb..3e98663a7 100644
--- a/content/roadmaps/113-qa/content/103-qa-automated-testing/100-frontend-automation/100-basic-introduction/html-css-javascript.md
+++ b/content/roadmaps/113-qa/content/103-qa-automated-testing/100-frontend-automation/100-basic-introduction/html-css-javascript.md
@@ -1 +1,12 @@
-# Html css javascript
\ No newline at end of file
+# HTML/CSS/JavaScript Basics
+
+HTML stands for HyperText Markup Language. It is used on the front and gives structure to the webpage, which you can style using CSS and make interactive using JavaScript.
+
+CSS or Cascading Style Sheets is the language used to style the front end of any website. CSS is a cornerstone technology of the World Wide Web, alongside HTML and JavaScript.
+
+JavaScript allows you to add interactivity to your pages. You may have seen common examples on the websites: sliders, click interactions, popups, and so on.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink badgeText='Read' colorScheme='yellow' href='https://www.w3schools.com/html/html_intro.asp'>W3Schools: Learn HTML</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.w3schools.com/css/'>W3Schools — Learn CSS</BadgeLink>
+<BadgeLink badgeText='Read' colorScheme="yellow" href='https://www.w3schools.com/js/'>W3Schools – JavaScript Tutorial</BadgeLink>
diff --git a/content/roadmaps/113-qa/content/103-qa-automated-testing/100-frontend-automation/100-selenium-ide.md b/content/roadmaps/113-qa/content/103-qa-automated-testing/100-frontend-automation/100-selenium-ide.md
index 82c838309..b00ff1983 100644
--- a/content/roadmaps/113-qa/content/103-qa-automated-testing/100-frontend-automation/100-selenium-ide.md
+++ b/content/roadmaps/113-qa/content/103-qa-automated-testing/100-frontend-automation/100-selenium-ide.md
@@ -1 +1,9 @@
-# Selenium ide
\ No newline at end of file
+# Selenium IDE
+
+Selenium IDE is an open source web automation testing tool from the Selenium Suite used primarily for QA purposes. It functions as a Firefox extension and does not require any programming knowledge and test cases can be created simply by interacting with the browser. 
+
+Selenium itself is an open-source, automated testing tool used to test web applications across various browsers. It's primarily built in Java and supports several browsers and programming languages. Selenium IDE was developed to speed up the creation of automation scripts. It’s a rapid prototyping tool and can be used by engineers with no programming knowledge whatsoever. Because of its simplicity, Selenium IDE is best used as a prototyping tool and not a complete solution for developing and maintaining complex test suites.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://www.selenium.dev/selenium-ide/'>Selenium IDE Website</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.softwaretestinghelp.com/selenium-ide-script-selenium-tutorial-3/'>Selenium IDE Tutorial</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/113-qa/content/103-qa-automated-testing/100-frontend-automation/102-automation-frameworks/jasmine.md b/content/roadmaps/113-qa/content/103-qa-automated-testing/100-frontend-automation/102-automation-frameworks/jasmine.md
index 49050a4de..568fd8534 100644
--- a/content/roadmaps/113-qa/content/103-qa-automated-testing/100-frontend-automation/102-automation-frameworks/jasmine.md
+++ b/content/roadmaps/113-qa/content/103-qa-automated-testing/100-frontend-automation/102-automation-frameworks/jasmine.md
@@ -1 +1,8 @@
-# Jasmine
\ No newline at end of file
+# Jasmine
+
+Jasmine is a very popular JavaScript BDD (behavior-driven development) framework for unit testing JavaScript applications. It provides utilities that can be used to run automated tests for both synchronous and asynchronous code. It does not depend on any other JavaScript frameworks. It does not require a DOM.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://jasmine.github.io/'>Jasmine's Official Website</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://semaphoreci.com/community/tutorials/testing-components-in-angular-2-with-jasmine'>Easy and Practical example of Angular testing with Jasmine</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.testim.io/blog/jasmine-js-a-from-scratch-tutorial-to-start-testing'>Starting with Jasmine from Scratch</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/113-qa/content/103-qa-automated-testing/100-frontend-automation/102-automation-frameworks/robot-framework.md b/content/roadmaps/113-qa/content/103-qa-automated-testing/100-frontend-automation/102-automation-frameworks/robot-framework.md
index 288efa8b1..7b8b79121 100644
--- a/content/roadmaps/113-qa/content/103-qa-automated-testing/100-frontend-automation/102-automation-frameworks/robot-framework.md
+++ b/content/roadmaps/113-qa/content/103-qa-automated-testing/100-frontend-automation/102-automation-frameworks/robot-framework.md
@@ -1 +1,11 @@
-# Robot framework
\ No newline at end of file
+# Robot framework
+
+Robot Framework is a Python-based, extensible keyword-driven automation framework for acceptance testing, acceptance test driven development (ATDD), behavior driven development (BDD) and robotic process automation (RPA).
+
+Robot Framework is open and extensible. Robot Framework can be integrated with virtually any other tool to create powerful and flexible automation solutions.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://robotframework.org/'>Robot Framework Official Website</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Official User Guide' href='https://robotframework.org/robotframework/latest/RobotFrameworkUserGuide.html'>Robot Framework Official User Guide</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://medium.com/swlh/robot-framework-the-basics-dfeadc025bea'>Basic Step-by-step Robot Framework tutorial</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.geeksforgeeks.org/robot-framework-in-python/'>Excellent tutorial to start working with Robot Framework</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/113-qa/content/103-qa-automated-testing/102-backend-automation/103-postman-newman.md b/content/roadmaps/113-qa/content/103-qa-automated-testing/102-backend-automation/103-postman-newman.md
index 6d2a234dd..031f4e85c 100644
--- a/content/roadmaps/113-qa/content/103-qa-automated-testing/102-backend-automation/103-postman-newman.md
+++ b/content/roadmaps/113-qa/content/103-qa-automated-testing/102-backend-automation/103-postman-newman.md
@@ -1 +1,11 @@
-# Postman newman
\ No newline at end of file
+# Newman
+
+Postman is an API platform for building and using APIs. Postman simplifies each step of the API lifecycle and streamlines collaboration so you can create better APIs—faster. It is an API client that makes it easy for developers to create, share, test, and document APIs. With this open-source solution, users can create and save simple and complex HTTP/s requests and read their responses.
+
+Newman is a command-line Collection Runner for Postman. It enables you to run and test a Postman Collection directly from the command line. It's built with extensibility to integrate it with your continuous integration servers and build systems.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://www.postman.com'>Postman website</BadgeLink>
+<BadgeLink badgeText='Course' colorScheme='green' href='https://learning.postman.com/docs/getting-started/introduction/'>Learn postman</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=VywxIQ2ZXw4'>API testing with postman</BadgeLink>
+<BadgeLink badgeText='Course' href='https://learning.postman.com/docs/running-collections/using-newman-cli/command-line-integration-with-newman/'> Newman cli usage</BadgeLink>
diff --git a/content/roadmaps/113-qa/content/103-qa-automated-testing/102-backend-automation/104-rest-assured.md b/content/roadmaps/113-qa/content/103-qa-automated-testing/102-backend-automation/104-rest-assured.md
index 55428a59b..f2ac5a6be 100644
--- a/content/roadmaps/113-qa/content/103-qa-automated-testing/102-backend-automation/104-rest-assured.md
+++ b/content/roadmaps/113-qa/content/103-qa-automated-testing/102-backend-automation/104-rest-assured.md
@@ -1 +1,6 @@
-# Rest assured
\ No newline at end of file
+# Rest-assured
+
+Rest-assured helps developers and test engineers to test REST APIs in Java ease by using techniques used in dynamic languages such as Groovy and Ruby.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://rest-assured.io'>REST-assured Website</BadgeLink>
diff --git a/content/roadmaps/113-qa/content/104-qa-non-functional-testing/100-load-and-performance-testing/100-vegeta.md b/content/roadmaps/113-qa/content/104-qa-non-functional-testing/100-load-and-performance-testing/100-vegeta.md
index 7fd32a225..870826b0a 100644
--- a/content/roadmaps/113-qa/content/104-qa-non-functional-testing/100-load-and-performance-testing/100-vegeta.md
+++ b/content/roadmaps/113-qa/content/104-qa-non-functional-testing/100-load-and-performance-testing/100-vegeta.md
@@ -1 +1,6 @@
-# Vegeta
\ No newline at end of file
+# Vegeta
+
+Vegeta is a versatile HTTP load testing tool built out of a need to drill HTTP services with a constant request rate. It can be used both as a command line utility and a library.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://github.com/tsenart/vegeta'>Vegeta Website</BadgeLink>
diff --git a/content/roadmaps/113-qa/content/104-qa-non-functional-testing/100-load-and-performance-testing/101-jmeter.md b/content/roadmaps/113-qa/content/104-qa-non-functional-testing/100-load-and-performance-testing/101-jmeter.md
index 5b0c2728e..02b386da3 100644
--- a/content/roadmaps/113-qa/content/104-qa-non-functional-testing/100-load-and-performance-testing/101-jmeter.md
+++ b/content/roadmaps/113-qa/content/104-qa-non-functional-testing/100-load-and-performance-testing/101-jmeter.md
@@ -1 +1,7 @@
-# Jmeter
\ No newline at end of file
+# JMeter
+
+Apache JMeter is an Apache project that can be used as a load testing tool for analyzing and measuring the performance of a variety of services, with a focus on web applications.
+
+<ResourceGroupTitle>Reference Resource</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://jmeter.apache.org/'>Apache JMeter Website</BadgeLink>
+<BadgeLink badgeText='Course' colorScheme='green' href='https://www.youtube.com/playlist?list=PLJ9A48W0kpRIjLkZ32Do9yDZXnnm7_uj_'>Learn JMeter</BadgeLink>
diff --git a/content/roadmaps/113-qa/content/104-qa-non-functional-testing/100-load-and-performance-testing/102-locust.md b/content/roadmaps/113-qa/content/104-qa-non-functional-testing/100-load-and-performance-testing/102-locust.md
index 54c658193..918375261 100644
--- a/content/roadmaps/113-qa/content/104-qa-non-functional-testing/100-load-and-performance-testing/102-locust.md
+++ b/content/roadmaps/113-qa/content/104-qa-non-functional-testing/100-load-and-performance-testing/102-locust.md
@@ -1 +1,13 @@
-# Locust
\ No newline at end of file
+# Locust
+
+Locust is an easy-to-use, scriptable and scalable performance testing tool. You define the behavior of your users in regular Python code instead of being stuck in a UI or restrictive domain-specific language. This makes Locust infinitely expandable and very developer friendly. Given below are some of the features of Locust.
+
+- Write test scenarios in plain old Python
+- Distributed and scalable - supports hundreds of thousands of concurrent users
+- Web-based UI
+- Can test any system
+- Hackable
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://locust.io/'>Locust Website</BadgeLink>
+<BadgeLink badgeText='Course' colorScheme='green' href='https://www.youtube.com/playlist?list=PLJ9A48W0kpRKMCzJARCObgJs3SinOewp5'>Learn Locust</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/113-qa/content/104-qa-non-functional-testing/100-load-and-performance-testing/103-gatling.md b/content/roadmaps/113-qa/content/104-qa-non-functional-testing/100-load-and-performance-testing/103-gatling.md
index c79394490..5c333c7f4 100644
--- a/content/roadmaps/113-qa/content/104-qa-non-functional-testing/100-load-and-performance-testing/103-gatling.md
+++ b/content/roadmaps/113-qa/content/104-qa-non-functional-testing/100-load-and-performance-testing/103-gatling.md
@@ -1 +1,11 @@
-# Gatling
\ No newline at end of file
+# Gatling
+
+Gatling is a highly capable load testing tool. It is designed for ease of use, maintainability and high performance.
+
+Out of the box, Gatling comes with excellent support of the HTTP protocol that makes it a tool of choice for load testing any HTTP server. As the core engine is actually protocol agnostic, it is perfectly possible to implement support for other protocols. For example, Gatling currently also ships JMS support.
+
+Gatling’s architecture is asynchronous as long as the underlying protocol, such as HTTP, can be implemented in a non blocking way. This kind of architecture lets us implement virtual users as messages instead of dedicated threads, making them very resource cheap. Thus, running thousands of concurrent virtual users is not an issue.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://gatling.io/'>Gatling Website</BadgeLink>
+<BadgeLink badgeText='Course' colorScheme='green' href='https://www.youtube.com/playlist?list=PLJ9A48W0kpRJE6s8I1MjWm-z8BGbUYNCw'>Learn Gatling</BadgeLink>
diff --git a/content/roadmaps/113-qa/content/104-qa-non-functional-testing/100-load-and-performance-testing/104-k6.md b/content/roadmaps/113-qa/content/104-qa-non-functional-testing/100-load-and-performance-testing/104-k6.md
index 5eaf31f0d..f8374d77e 100644
--- a/content/roadmaps/113-qa/content/104-qa-non-functional-testing/100-load-and-performance-testing/104-k6.md
+++ b/content/roadmaps/113-qa/content/104-qa-non-functional-testing/100-load-and-performance-testing/104-k6.md
@@ -1 +1,9 @@
-# K6
\ No newline at end of file
+# k6
+
+Grafana k6 is an open-source load testing tool that makes performance testing easy and productive for engineering teams. k6 is free, developer-centric, and extensible.
+
+Using k6, you can test the reliability and performance of your systems and catch performance regressions and problems earlier. k6 will help you to build resilient and performant applications that scale.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://k6.io/'>k6 Website</BadgeLink>
+<BadgeLink badgeText='Course' colorScheme='green' href='https://www.youtube.com/playlist?list=PLJ9A48W0kpRJKmVeurt7ltKfrOdr8ZBdt'>Learn k6</BadgeLink>
diff --git a/content/roadmaps/113-qa/content/104-qa-non-functional-testing/100-load-and-performance-testing/105-artillery.md b/content/roadmaps/113-qa/content/104-qa-non-functional-testing/100-load-and-performance-testing/105-artillery.md
index 8b7df13af..2ed27ccc8 100644
--- a/content/roadmaps/113-qa/content/104-qa-non-functional-testing/100-load-and-performance-testing/105-artillery.md
+++ b/content/roadmaps/113-qa/content/104-qa-non-functional-testing/100-load-and-performance-testing/105-artillery.md
@@ -1 +1,19 @@
-# Artillery
\ No newline at end of file
+# Artillery
+
+Artillery is a modern, powerful & easy-to-use performance testing toolkit. Use it to ship scalable applications that stay performant & resilient under high load.
+
+Artillery prioritizes developer productivity and happiness, and follows the "batteries-included" philosophy.
+
+## Features
+
+- Emulate complex user behavior with scenarios 
+- Load testing and smoke testing
+- Batteries included
+- Extensible & hackable
+- Integrations and add-ons
+- Designed for cross-team collaboration
+- Planet-scale testing
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://www.artillery.io/'>Artillery Website</BadgeLink>
+<BadgeLink badgeText='Course' colorScheme='green' href='https://www.youtube.com/playlist?list=PLJ9A48W0kpRJh1_uW2mVNhSIVCMYmNlm7'>Learn Artillery</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/113-qa/content/104-qa-non-functional-testing/100-load-and-performance-testing/106-lighthouse.md b/content/roadmaps/113-qa/content/104-qa-non-functional-testing/100-load-and-performance-testing/106-lighthouse.md
index d0a5f533a..5c4793e75 100644
--- a/content/roadmaps/113-qa/content/104-qa-non-functional-testing/100-load-and-performance-testing/106-lighthouse.md
+++ b/content/roadmaps/113-qa/content/104-qa-non-functional-testing/100-load-and-performance-testing/106-lighthouse.md
@@ -1 +1,6 @@
-# Lighthouse
\ No newline at end of file
+# Lighthouse
+
+Lighthouse is an open-source, automated tool for improving the quality of web pages. You can run it against any web page, public or requiring authentication. It has audits for performance, accessibility, progressive web apps, SEO, and more. You can run Lighthouse in Chrome DevTools, from the command line, or as a Node module. You give Lighthouse a URL to audit, run a series of audits against the page, and then generate a report on how well the page did. From there, use the failing audits as indicators on how to improve the page. Each audit has a reference doc explaining why the audit is important and how to fix it.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://github.com/GoogleChrome/lighthouse/'>Lighthouse Website</BadgeLink>
diff --git a/content/roadmaps/113-qa/content/104-qa-non-functional-testing/100-load-and-performance-testing/107-webpage-test.md b/content/roadmaps/113-qa/content/104-qa-non-functional-testing/100-load-and-performance-testing/107-webpage-test.md
index ef6608949..4934318ef 100644
--- a/content/roadmaps/113-qa/content/104-qa-non-functional-testing/100-load-and-performance-testing/107-webpage-test.md
+++ b/content/roadmaps/113-qa/content/104-qa-non-functional-testing/100-load-and-performance-testing/107-webpage-test.md
@@ -1 +1,8 @@
-# Webpage test
\ No newline at end of file
+# WebPageTest
+
+WebPageTest is a web performance tool providing deep diagnostic information about how a page performs under a variety of conditions.
+
+Each test can be run from different locations around the world, on real browsers, over any number of customizable network conditions.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://www.webpagetest.org/'>WebPageTest Website</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/113-qa/content/104-qa-non-functional-testing/100-load-and-performance-testing/readme.md b/content/roadmaps/113-qa/content/104-qa-non-functional-testing/100-load-and-performance-testing/readme.md
index b529e575f..0470a746f 100644
--- a/content/roadmaps/113-qa/content/104-qa-non-functional-testing/100-load-and-performance-testing/readme.md
+++ b/content/roadmaps/113-qa/content/104-qa-non-functional-testing/100-load-and-performance-testing/readme.md
@@ -1 +1,15 @@
-# Load and performance testing
\ No newline at end of file
+# Load and Performance Testing
+
+Performance Testing is a subset of Performance Engineering. It is a process of evaluating a system’s behavior under various extreme conditions. The main intent of performance testing is to monitor and improve key performance indicators such as response time, throughput, memory, CPU utilization, and more.
+
+There are three objectives (three S) of Performance testing to observe and evaluate: `Speed`, `Scalability` and `Stability`. Following are the commonly used performance testing types, but not limited to:
+
+- Load Testing
+- Stress Testing
+- Spike Testing
+- Endurance Testing
+- Volume Testing
+- Scalability Testing
+- Capacity Testing
+
+Load Testing is one type of performance testing. It helps to evaluate the application under tests' behaviors such as response time, throughput, pass/fail transactions, and more under the normal workload. e.g., cart checkout response time is 500 milliseconds under typical business hours.
diff --git a/content/roadmaps/113-qa/content/107-qa-monitoring-logs/100-grafana.md b/content/roadmaps/113-qa/content/107-qa-monitoring-logs/100-grafana.md
index f9a8e7c40..cb0ee7035 100644
--- a/content/roadmaps/113-qa/content/107-qa-monitoring-logs/100-grafana.md
+++ b/content/roadmaps/113-qa/content/107-qa-monitoring-logs/100-grafana.md
@@ -1 +1,9 @@
-# Grafana
\ No newline at end of file
+# Grafana
+
+Grafana is the open-source platform for monitoring and observability. It allows you to query, visualize, alert on and understand your metrics no matter where they are stored.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Framework Website' href='https://grafana.com/'>Grafana Website</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Read' href='https://grafana.com/docs/'>Grafana Official Documentation</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Read' href='https://community.grafana.com/'>Grafana Community</BadgeLink>
+<BadgeLink badgeText='Course' colorScheme='green' href='https://grafana.com/videos/'>Grafana Webinars and Videos</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/113-qa/content/107-qa-monitoring-logs/105-data-dog.md b/content/roadmaps/113-qa/content/107-qa-monitoring-logs/105-data-dog.md
index e19173198..16818bd1b 100644
--- a/content/roadmaps/113-qa/content/107-qa-monitoring-logs/105-data-dog.md
+++ b/content/roadmaps/113-qa/content/107-qa-monitoring-logs/105-data-dog.md
@@ -1 +1,6 @@
-# Data dog
\ No newline at end of file
+# Datadog
+
+Datadog is a monitoring and analytics platform for large-scale applications. It encompasses infrastructure monitoring, application performance monitoring, log management, and user-experience monitoring. Datadog aggregates data across your entire stack with 400+ integrations for troubleshooting, alerting, and graphing. 
+
+<BadgeLink badgeText='Official Website' colorScheme='blue' href='https://www.datadoghq.com/'>Datadog Website</BadgeLink>
+<BadgeLink badgeText='Official Documentation' colorScheme='blue' href='https://docs.datadoghq.com/'>Official Documentation</BadgeLink>
diff --git a/content/roadmaps/113-qa/content/107-qa-monitoring-logs/106-pager-duty.md b/content/roadmaps/113-qa/content/107-qa-monitoring-logs/106-pager-duty.md
index 631ab173b..c0970a228 100644
--- a/content/roadmaps/113-qa/content/107-qa-monitoring-logs/106-pager-duty.md
+++ b/content/roadmaps/113-qa/content/107-qa-monitoring-logs/106-pager-duty.md
@@ -1 +1,7 @@
-# Pager duty
\ No newline at end of file
+# PagerDuty
+
+Through its SaaS-based platform, PagerDuty empowers developers, DevOps, IT operations and business leaders to prevent and resolve business-impacting incidents for exceptional customer experience. When revenue and brand reputation depends on customer satisfaction, PagerDuty arms organizations with the insight to proactively manage events that may impact customers across their IT environment. With hundreds of native integrations, on-call scheduling and escalations, machine learning, business-wide response orchestration, analytics, and much more, PagerDuty gets the right data in the hands of the right people in real time, every time.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://www.pagerduty.com/'>PagerDuty Website</BadgeLink>
+<BadgeLink badgeText='Course' colorScheme='green' href='https://university.pagerduty.com/'>Learn PagerDuty</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/113-qa/content/108-qa-vcs/100-git.md b/content/roadmaps/113-qa/content/108-qa-vcs/100-git.md
index 65f57e71e..6fe43a7fa 100644
--- a/content/roadmaps/113-qa/content/108-qa-vcs/100-git.md
+++ b/content/roadmaps/113-qa/content/108-qa-vcs/100-git.md
@@ -1 +1,9 @@
-# Git
\ No newline at end of file
+# Git
+
+[Git](https://git-scm.com/) is a free and open source distributed version control system designed to handle everything from small to very large projects with speed and efficiency.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink badgeText='Course' colorScheme='green' href='https://github.com/jlord/git-it-electron'>Learn Git on the command line</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=zbKdDsNNOhg'>Version Control System Introduction</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=SWYqp7iY_Tc'>Git & GitHub Crash Course For Beginners</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://youtu.be/Y9XZQO1n_7c?t=21'>Learn Git in 20 Minutes</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/113-qa/content/110-qa-ci-cd/readme.md b/content/roadmaps/113-qa/content/110-qa-ci-cd/readme.md
index 193f641dd..8a888972a 100644
--- a/content/roadmaps/113-qa/content/110-qa-ci-cd/readme.md
+++ b/content/roadmaps/113-qa/content/110-qa-ci-cd/readme.md
@@ -1 +1,10 @@
-# Qa ci cd
\ No newline at end of file
+# CI / CD
+
+Continuous Integration is a software development method where team members integrate their work at least once daily. An automated build checks every integration to detect errors in this method. In Continuous Integration, the software is built and tested immediately after a code commit. In a large project with many developers, commits are made many times during the day. With each commit, code is built and tested.
+
+Continuous Delivery is a software engineering method in which a team develops software products in a short cycle. It ensures that software can be easily released at any time. The main aim of continuous delivery is to build, test, and release software with good speed and frequency. It helps reduce the cost, time, and risk of delivering changes by allowing for frequent updates in production.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.guru99.com/continuous-integration.html'>What is CI/CD? Continuous Integration and Continuous Delivery</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.guru99.com/continuous-integration-vs-delivery-vs-deployment.html'>Continuous Integration vs Delivery vs Deployment</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.guru99.com/ci-cd-pipeline.html'>CI/CD Pipeline: Learn with Example</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/113-qa/content/111-qa-headless-testing/100-zombie-js.md b/content/roadmaps/113-qa/content/111-qa-headless-testing/100-zombie-js.md
index 205fed02d..3a34a4d93 100644
--- a/content/roadmaps/113-qa/content/111-qa-headless-testing/100-zombie-js.md
+++ b/content/roadmaps/113-qa/content/111-qa-headless-testing/100-zombie-js.md
@@ -1 +1,7 @@
-# Zombie js
\ No newline at end of file
+# Zombie.js
+
+Zombie.js allows you to run Unit or Integration tests without a real web browser. Instead, it uses a simulated browser where it stores the HTML code and runs the JavaScript you may have in your HTML page. This means that an HTML page doesn’t need to be displayed, saving precious time that would otherwise be occupied rendering it.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='http://zombie.js.org/'>Zombie.js Website</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.packt.com/getting-started-zombiejs/'>Getting Started with Zombie.js</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/113-qa/content/111-qa-headless-testing/101-playwright.md b/content/roadmaps/113-qa/content/111-qa-headless-testing/101-playwright.md
index 454f06c7c..539b26795 100644
--- a/content/roadmaps/113-qa/content/111-qa-headless-testing/101-playwright.md
+++ b/content/roadmaps/113-qa/content/111-qa-headless-testing/101-playwright.md
@@ -1 +1,7 @@
-# Playwright
\ No newline at end of file
+# Playwright
+
+Playwright is an open-source test automation library initially developed by Microsoft contributors. It supports programming languages such as Java, Python, C#, and NodeJS. Playwright comes with Apache 2.0 License and is most popular with NodeJS with Javascript/Typescript.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://playwright.dev/'>Playwright Website</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.browserstack.com/guide/playwright-tutorial'>Playwright Tutorial: Learn Basics and Setup</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/113-qa/content/111-qa-headless-testing/102-puppeteer.md b/content/roadmaps/113-qa/content/111-qa-headless-testing/102-puppeteer.md
index 70452d2a2..d85a88bd4 100644
--- a/content/roadmaps/113-qa/content/111-qa-headless-testing/102-puppeteer.md
+++ b/content/roadmaps/113-qa/content/111-qa-headless-testing/102-puppeteer.md
@@ -1 +1,7 @@
-# Puppeteer
\ No newline at end of file
+# Puppeteer
+
+Puppeteer is a Node library that provides a high-level API to control headless Chrome or Chromium browsers over the DevTools Protocol. It can also be configured to use full (non-headless) Chrome or Chromium.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://pptr.dev/'>Puppeteer Website</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.freecodecamp.org/news/how-to-use-puppeteer-with-nodejs/'>How to Use Puppeteer With Node.js</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/113-qa/content/111-qa-headless-testing/103-cypress.md b/content/roadmaps/113-qa/content/111-qa-headless-testing/103-cypress.md
index c881065db..cd636d838 100644
--- a/content/roadmaps/113-qa/content/111-qa-headless-testing/103-cypress.md
+++ b/content/roadmaps/113-qa/content/111-qa-headless-testing/103-cypress.md
@@ -1 +1,8 @@
-# Cypress
\ No newline at end of file
+# Cypress
+
+Cypress framework is a JavaScript-based end-to-end testing framework built on top of Mocha – a feature-rich JavaScript test framework running on and in the browser, making asynchronous testing simple and convenient. It also uses a BDD/TDD assertion library and a browser to pair with any JavaScript testing framework.
+
+<ResourceGroupTitle>Free Resources</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Website' href='https://www.cypress.io/'>Official Website</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Docs' href='https://docs.cypress.io/guides/overview/why-cypress#Other'>Official Documentation</BadgeLink>
+<BadgeLink colorScheme='purple' badgeText='Watch' href='https://www.youtube.com/watch?v=7N63cMKosIE'>Cypress End-to-End Testing</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/113-qa/content/111-qa-headless-testing/104-headless-chrome.md b/content/roadmaps/113-qa/content/111-qa-headless-testing/104-headless-chrome.md
index 2c3e86d2e..c9518715c 100644
--- a/content/roadmaps/113-qa/content/111-qa-headless-testing/104-headless-chrome.md
+++ b/content/roadmaps/113-qa/content/111-qa-headless-testing/104-headless-chrome.md
@@ -1 +1,6 @@
-# Headless chrome
\ No newline at end of file
+# Headless Chrome
+
+Headless Chrome is a way to run the Chrome browser in a headless environment without the full browser UI. One of the benefits of using Headless Chrome (as opposed to testing directly in Node) is that your JavaScript tests will be executed in the same environment as users of your site.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://chromium.googlesource.com/chromium/src/+/lkgr/headless/README.md'>Headless Chromium</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/113-qa/content/111-qa-headless-testing/105-headless-fox.md b/content/roadmaps/113-qa/content/111-qa-headless-testing/105-headless-fox.md
index 5c3bd060b..9a973386e 100644
--- a/content/roadmaps/113-qa/content/111-qa-headless-testing/105-headless-fox.md
+++ b/content/roadmaps/113-qa/content/111-qa-headless-testing/105-headless-fox.md
@@ -1 +1,6 @@
-# Headless fox
\ No newline at end of file
+# Headless Fox
+
+Headless Browser Testing is a process of running the browser tests without the type of browser UI or GUI. In headless browser testing, to conduct cross-browser testing the tester can run test cases accurately and successfully without requiring the browser on which application needs to be tested.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://hacks.mozilla.org/2017/12/using-headless-mode-in-firefox/'>Using Headless Mode in Firefox</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/113-qa/content/111-qa-headless-testing/106-html-unit.md b/content/roadmaps/113-qa/content/111-qa-headless-testing/106-html-unit.md
index 0c1c05c27..4859b61b2 100644
--- a/content/roadmaps/113-qa/content/111-qa-headless-testing/106-html-unit.md
+++ b/content/roadmaps/113-qa/content/111-qa-headless-testing/106-html-unit.md
@@ -1 +1,9 @@
-# Html unit
\ No newline at end of file
+# HtmlUnit
+
+HtmlUnit is a "GUI-Less browser for Java programs". It models HTML documents and provides an API that allows you to invoke pages, fill out forms, click links, etc... just like you do in your "normal" browser. It has fairly good JavaScript support (which is constantly improving) and is able to work even with quite complex AJAX libraries, simulating Chrome, Firefox or Internet Explorer depending on the configuration used.
+
+HtmlUnit is not a generic unit testing framework. It is specifically a way to simulate a browser for testing purposes and is intended to be used within another testing framework such as JUnit or TestNG. 
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://htmlunit.sourceforge.io/'>HtmlUnit Website</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.baeldung.com/htmlunit'>Introduction to HtmlUnit</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/113-qa/content/111-qa-headless-testing/readme.md b/content/roadmaps/113-qa/content/111-qa-headless-testing/readme.md
index be873de97..00dc9022b 100644
--- a/content/roadmaps/113-qa/content/111-qa-headless-testing/readme.md
+++ b/content/roadmaps/113-qa/content/111-qa-headless-testing/readme.md
@@ -1 +1,12 @@
-# Qa headless testing
\ No newline at end of file
+# Headless Testing
+
+Headless testing is when end-to-end tests are performed without loading the browser's user interface. Since the browser operates as a typical browser would but does not make use of the user interface, it is considered highly suitable for automated testing.
+
+A few example cases where one may use headless browser testing include:
+
+- Automating HTML event responses, such as form submission, keyboard events, mouse-clicking, etc.
+- Web scraping
+- Generating screenshots of webpages
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.browserstack.com/guide/what-is-headless-browser-testing'>What is Headless Browser Testing and Why is it Important?</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/114-software-architect/content/105-patterns-and-design-principles/103-actors.md b/content/roadmaps/114-software-architect/content/105-patterns-and-design-principles/103-actors.md
index bb46869dd..af00261c1 100644
--- a/content/roadmaps/114-software-architect/content/105-patterns-and-design-principles/103-actors.md
+++ b/content/roadmaps/114-software-architect/content/105-patterns-and-design-principles/103-actors.md
@@ -1 +1,7 @@
-# Actors
\ No newline at end of file
+# Actors
+
+Actor Model is a model that represents actors as the basic unit of a system, they can only communicate through messages and have their own private state, and they can also manage other actors, resulting in an encapsulated and fault-tolerant system.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=ELwEdb_pD0k'>Actor Model Explained</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.brianstorti.com/the-actor-model/'>The actor model in 10 minutes</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/114-software-architect/content/105-patterns-and-design-principles/105-solid.md b/content/roadmaps/114-software-architect/content/105-patterns-and-design-principles/105-solid.md
index 7d6790eb1..49e03e3ae 100644
--- a/content/roadmaps/114-software-architect/content/105-patterns-and-design-principles/105-solid.md
+++ b/content/roadmaps/114-software-architect/content/105-patterns-and-design-principles/105-solid.md
@@ -1 +1,16 @@
-# Solid
\ No newline at end of file
+# SOLID
+
+
+SOLID is a set of principles applied to object-oriented design (OOD) to create maintainable, understandable, and flexible code, while avoiding code smells and defects. The principles are:
+
+- Single Responsibility
+- Open/Closed
+- Liskov Substitution
+- Interface Segregation
+- Dependency Inversion
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Docs' href='https://web.archive.org/web/20150906155800/http://www.objectmentor.com/resources/articles/Principles_and_Patterns.pdf'>Design Principles and
+Design Patterns</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.baeldung.com/solid-principles'>SOLID Principles</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.digitalocean.com/community/conceptual_articles/s-o-l-i-d-the-first-five-principles-of-object-oriented-design'>SOLID: The First 5 Principles of Object Oriented Design</BadgeLink>
diff --git a/content/roadmaps/114-software-architect/content/105-patterns-and-design-principles/106-ddd.md b/content/roadmaps/114-software-architect/content/105-patterns-and-design-principles/106-ddd.md
index ec8ad3400..cfd8131e0 100644
--- a/content/roadmaps/114-software-architect/content/105-patterns-and-design-principles/106-ddd.md
+++ b/content/roadmaps/114-software-architect/content/105-patterns-and-design-principles/106-ddd.md
@@ -1 +1,16 @@
-# Ddd
\ No newline at end of file
+# Domain-Driven Design
+
+
+Domain-driven design (DDD) is a software design approach focusing on modeling software to match a domain according to input from that domain's experts.
+
+In terms of object-oriented programming, it means that the structure and language of software code (class names, class methods, class variables) should match the business domain. For example, if a software processes loan applications, it might have classes like LoanApplication and Customer, and methods such as AcceptOffer and Withdraw.
+
+DDD connects the implementation to an evolving model and it is predicated on the following goals:
+
+- Placing the project's primary focus on the core domain and domain logic;
+- Basing complex designs on a model of the domain;
+- Initiating a creative collaboration between technical and domain experts to iteratively refine a conceptual model that addresses particular domain problems.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+
+<BadgeLink colorScheme='blue' badgeText='Official Docs' href='https://matfrs2.github.io/RS2/predavanja/literatura/Avram%20A,%20Marinescu%20F.%20-%20Domain%20Driven%20Design%20Quickly.pdf'>Domain Driven Design Quickly</BadgeLink>
diff --git a/content/roadmaps/114-software-architect/content/105-patterns-and-design-principles/106-tdd.md b/content/roadmaps/114-software-architect/content/105-patterns-and-design-principles/106-tdd.md
index 713a67dfd..3550cc9ab 100644
--- a/content/roadmaps/114-software-architect/content/105-patterns-and-design-principles/106-tdd.md
+++ b/content/roadmaps/114-software-architect/content/105-patterns-and-design-principles/106-tdd.md
@@ -1 +1,9 @@
-# Tdd
\ No newline at end of file
+# Test Driven Development
+
+
+Test driven development (TDD) is the process of writing tests for software's requirements which will fail until the software is developed to meet those requirements. Once those tests pass, then the cycle repeats to refactor code or develop another feature/requirement. In theory, this ensures that software is written to meet requirements in the simplest form, and avoids code defects.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.guru99.com/test-driven-development.html'>What is Test Driven Development (TDD)?</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.ibm.com/garage/method/practices/code/practice_test_driven_development/'>Test-driven development</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://youtu.be/uGaNkTahrIw'>Agile in Practice: Test Driven Development</BadgeLink>
diff --git a/content/roadmaps/114-software-architect/content/108-security/102-owasp.md b/content/roadmaps/114-software-architect/content/108-security/102-owasp.md
index 2c3dd94a4..78864e413 100644
--- a/content/roadmaps/114-software-architect/content/108-security/102-owasp.md
+++ b/content/roadmaps/114-software-architect/content/108-security/102-owasp.md
@@ -1 +1,9 @@
-# Owasp
\ No newline at end of file
+# OWASP
+
+OWASP or Open Web Application Security Project is an online community that produces freely-available articles, methodologies, documentation, tools, and technologies in the field of web application security.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink badgeText='Read' colorScheme="yellow" href='https://en.wikipedia.org/wiki/OWASP'>Wikipedia - OWASP</BadgeLink>
+<BadgeLink badgeText='Read' colorScheme="yellow" href='https://github.com/0xRadi/OWASP-Web-Checklist'>OWASP Web Application Security Testing Checklist</BadgeLink>
+<BadgeLink badgeText='Read' colorScheme="yellow" href='https://sucuri.net/guides/owasp-top-10-security-vulnerabilities-2021/'>OWASP Top 10 Security Risks</BadgeLink>
+<BadgeLink badgeText='Read' colorScheme="yellow" href='https://cheatsheetseries.owasp.org/cheatsheets/AJAX_Security_Cheat_Sheet.html'>OWASP Cheatsheets</BadgeLink>
diff --git a/content/roadmaps/114-software-architect/content/109-working-with-data/101-etl-datawarehouses.md b/content/roadmaps/114-software-architect/content/109-working-with-data/101-etl-datawarehouses.md
index 865f27c33..9e172b51e 100644
--- a/content/roadmaps/114-software-architect/content/109-working-with-data/101-etl-datawarehouses.md
+++ b/content/roadmaps/114-software-architect/content/109-working-with-data/101-etl-datawarehouses.md
@@ -1 +1 @@
-# Etl datawarehouses
\ No newline at end of file
+# Etl datawarehouses
diff --git a/content/roadmaps/114-software-architect/content/109-working-with-data/103-analytics/100-apache-spark.md b/content/roadmaps/114-software-architect/content/109-working-with-data/103-analytics/100-apache-spark.md
index f2b27accd..08a58dd75 100644
--- a/content/roadmaps/114-software-architect/content/109-working-with-data/103-analytics/100-apache-spark.md
+++ b/content/roadmaps/114-software-architect/content/109-working-with-data/103-analytics/100-apache-spark.md
@@ -1 +1,6 @@
-# Apache spark
\ No newline at end of file
+# Apache spark
+
+Apache Spark is a multi-language engine for executing data engineering, data science, and machine learning on single-node machines or clusters.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://spark.apache.org/'>Official Website</BadgeLink>
diff --git a/content/roadmaps/114-software-architect/content/109-working-with-data/103-analytics/101-hadoop.md b/content/roadmaps/114-software-architect/content/109-working-with-data/103-analytics/101-hadoop.md
index 6d8f2dd9d..19cd1a08e 100644
--- a/content/roadmaps/114-software-architect/content/109-working-with-data/103-analytics/101-hadoop.md
+++ b/content/roadmaps/114-software-architect/content/109-working-with-data/103-analytics/101-hadoop.md
@@ -1 +1,6 @@
-# Hadoop
\ No newline at end of file
+# Hadoop
+
+The Apache Hadoop software library is a framework that allows for the distributed processing of large data sets across clusters of computers using simple programming models.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://hadoop.apache.org/'>Official Website</BadgeLink>
diff --git a/content/roadmaps/114-software-architect/content/109-working-with-data/103-analytics/102-datawarehouses-principles.md b/content/roadmaps/114-software-architect/content/109-working-with-data/103-analytics/102-datawarehouses-principles.md
index f9cef0f54..e826a431e 100644
--- a/content/roadmaps/114-software-architect/content/109-working-with-data/103-analytics/102-datawarehouses-principles.md
+++ b/content/roadmaps/114-software-architect/content/109-working-with-data/103-analytics/102-datawarehouses-principles.md
@@ -1 +1,6 @@
-# Datawarehouses principles
\ No newline at end of file
+# Datawarehouses principles
+
+It is based on the assumption that every system should take care of a concern in a way that such concern should be encapsulated by the system itself.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.toptal.com/data-science/data-warehouse-concepts-principles'>Toptal Developers Website</BadgeLink>
diff --git a/content/roadmaps/114-software-architect/content/112-architect-frameworks/100-babok.md b/content/roadmaps/114-software-architect/content/112-architect-frameworks/100-babok.md
index 52a8255ad..0b292f0e7 100644
--- a/content/roadmaps/114-software-architect/content/112-architect-frameworks/100-babok.md
+++ b/content/roadmaps/114-software-architect/content/112-architect-frameworks/100-babok.md
@@ -1 +1,7 @@
-# Babok
\ No newline at end of file
+# Babok
+
+The guide to the Business Analysis Body of Knowledge (BABOK Guide) is a book from the International Institute of Business Analysis (IIBA) that provides business analysts (BAs) with strategies for using data to improve an organization's workflow processes, technology, products and services.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.iiba.org/career-resources/a-business-analysis-professionals-foundation-for-success/babok/'>Official Website</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://en.wikipedia.org/wiki/A_Guide_to_the_Business_Analysis_Body_of_Knowledge'>Wikipedia</BadgeLink>
diff --git a/content/roadmaps/114-software-architect/content/112-architect-frameworks/101-iaf.md b/content/roadmaps/114-software-architect/content/112-architect-frameworks/101-iaf.md
index 850255c0b..99a88a61b 100644
--- a/content/roadmaps/114-software-architect/content/112-architect-frameworks/101-iaf.md
+++ b/content/roadmaps/114-software-architect/content/112-architect-frameworks/101-iaf.md
@@ -1 +1,7 @@
-# Iaf
\ No newline at end of file
+# Iaf
+
+The Integrated Architecture Framework (IAF) is an enterprise architecture framework that covers business, information, information system and technology infrastructure.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.capgemini.com/wp-content/uploads/2018/03/architecture-for-the-information-age.pdf'>Official PDF</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://en.wikipedia.org/wiki/Integrated_Architecture_Framework'>Wikipedia</BadgeLink>
diff --git a/content/roadmaps/114-software-architect/content/112-architect-frameworks/101-uml.md b/content/roadmaps/114-software-architect/content/112-architect-frameworks/101-uml.md
index feb4939c4..d8b611f9d 100644
--- a/content/roadmaps/114-software-architect/content/112-architect-frameworks/101-uml.md
+++ b/content/roadmaps/114-software-architect/content/112-architect-frameworks/101-uml.md
@@ -1 +1,9 @@
-# Uml
\ No newline at end of file
+# UML
+
+The Unified Modeling Language, or UML, is modeling language that is intended to provide a standard way to visualize and describe the design of a system.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://www.uml.org'>UML Website</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Book' href='https://personal.utdallas.edu/~chung/Fujitsu/UML_2.0/Rumbaugh--UML_2.0_Reference_CD.pdf'>The Unified Modeling Language Reference Manual (Second Edition)</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.ibm.com/docs/en/rational-soft-arch/9.6.1?topic=files-uml-pattern-frameworks'>IBM Docs</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://en.wikipedia.org/wiki/Unified_Modeling_Language'>Wikipedia</BadgeLink>
diff --git a/content/roadmaps/114-software-architect/content/112-architect-frameworks/102-togaf.md b/content/roadmaps/114-software-architect/content/112-architect-frameworks/102-togaf.md
index 08e0973bb..3a4b8f536 100644
--- a/content/roadmaps/114-software-architect/content/112-architect-frameworks/102-togaf.md
+++ b/content/roadmaps/114-software-architect/content/112-architect-frameworks/102-togaf.md
@@ -1 +1,7 @@
-# Togaf
\ No newline at end of file
+# Togaf
+
+The TOGAF content framework provides a detailed model of architectural work products, including deliverables, artifacts within deliverables, and the architectural building blocks that artifacts represent.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.opengroup.org/togaf'>Official Website</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://en.wikipedia.org/wiki/The_Open_Group_Architecture_Framework'>Wikipedia</BadgeLink>
diff --git a/content/roadmaps/114-software-architect/content/114-networks/100-osi-tcp-ip-model.md b/content/roadmaps/114-software-architect/content/114-networks/100-osi-tcp-ip-model.md
index cb058453d..f69e2422d 100644
--- a/content/roadmaps/114-software-architect/content/114-networks/100-osi-tcp-ip-model.md
+++ b/content/roadmaps/114-software-architect/content/114-networks/100-osi-tcp-ip-model.md
@@ -1 +1,8 @@
-# Osi tcp ip model
\ No newline at end of file
+# OSI and TCP/IP Models
+
+The OSI and TCP/IP model is used to help the developer to design their system for interoperability. The OSI model has 7 layers while the TCP/IP model has a more summarized form of the OSI model only consisting 4 layers. This is important if you're are trying to design a system to communicate with other systems.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.cloudflare.com/learning/ddos/glossary/open-systems-interconnection-model-osi/'>Cloudflare - What is the OSI model</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.geeksforgeeks.org/layers-of-osi-model/'>Geeksforgeeks - Layers of OSI model</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.geeksforgeeks.org/tcp-ip-model/'>Geeksforgeeks - TCP/IP model</BadgeLink>
diff --git a/content/roadmaps/114-software-architect/content/114-networks/101-http-https.md b/content/roadmaps/114-software-architect/content/114-networks/101-http-https.md
index 6eb375120..d5dcce74e 100644
--- a/content/roadmaps/114-software-architect/content/114-networks/101-http-https.md
+++ b/content/roadmaps/114-software-architect/content/114-networks/101-http-https.md
@@ -1 +1,4 @@
-# Http https
\ No newline at end of file
+# Http https
+
+Hypertext Transfer Protocol Secure is an extension of the Hypertext Transfer Protocol. It is used for secure communication over a computer network, and is widely used on the Internet. 
+In HTTPS, the communication protocol is encrypted using Transport Layer Security or, formerly, Secure Sockets Layer.
diff --git a/content/roadmaps/114-software-architect/content/114-networks/102-proxies.md b/content/roadmaps/114-software-architect/content/114-networks/102-proxies.md
index c57d63629..7414bba67 100644
--- a/content/roadmaps/114-software-architect/content/114-networks/102-proxies.md
+++ b/content/roadmaps/114-software-architect/content/114-networks/102-proxies.md
@@ -1 +1,3 @@
-# Proxies
\ No newline at end of file
+# Proxies
+
+In computer networking, a proxy server is a server application that acts as an intermediary between a client requesting a resource and the server providing that resource.
diff --git a/content/roadmaps/114-software-architect/content/114-networks/103-firewalls.md b/content/roadmaps/114-software-architect/content/114-networks/103-firewalls.md
index 892d4c16d..f2f5c9c11 100644
--- a/content/roadmaps/114-software-architect/content/114-networks/103-firewalls.md
+++ b/content/roadmaps/114-software-architect/content/114-networks/103-firewalls.md
@@ -1 +1,3 @@
-# Firewalls
\ No newline at end of file
+# Firewalls
+
+A Firewall is a network security device that monitors and filters incoming and outgoing network traffic based on an organization's previously established security policies.
diff --git a/content/roadmaps/114-software-architect/meta.json b/content/roadmaps/114-software-architect/meta.json
index 0c0827050..5a363ec0b 100644
--- a/content/roadmaps/114-software-architect/meta.json
+++ b/content/roadmaps/114-software-architect/meta.json
@@ -36,6 +36,7 @@
   "versions": [],
   "relatedRoadmaps": [
     "backend",
+    "software-design-architecture",
     "python",
     "python",
     "nodejs",
@@ -44,4 +45,4 @@
     "devops"
   ],
   "contentPathsFilePath": "./content-paths.json"
-}
\ No newline at end of file
+}
diff --git a/content/roadmaps/115-software-design-architecture/meta.json b/content/roadmaps/115-software-design-architecture/meta.json
new file mode 100644
index 000000000..ac26e8d23
--- /dev/null
+++ b/content/roadmaps/115-software-design-architecture/meta.json
@@ -0,0 +1,46 @@
+{
+  "seo": {
+    "title": "Software Design and Architecture Roadmap",
+    "description": "Learn software design and architecture with this step by step guide and resources.",
+    "keywords": [
+      "guide to learn software design and architecture",
+      "software design roadmap",
+      "software architecture roadmap",
+      "software design and architecture roadmap",
+      "modern software design and architecture roadmap",
+      "fullstack software design and architecture roadmap",
+      "design and architecture roadmap",
+      "scalable design roadmap",
+      "software design patterns roadmap",
+      "software architecture patterns roadmap",
+      "design architecture patterns roadmap",
+      "application architectures",
+      "software architecture guide"
+    ]
+  },
+  "title": "Software Design and Architecture",
+  "description": "Step by step guide to learn software design and architecture",
+  "featuredTitle": "Software Design and Architecture",
+  "type": "tool",
+  "featuredDescription": "Guide to learn software design and architecture",
+  "isTextHeavy": false,
+  "isCommunity": false,
+  "isNew": true,
+  "isUpcoming": false,
+  "featured": true,
+  "jsonUrl": "/project/software-design-architecture.json",
+  "author": {
+    "name": "Kamran Ahmed",
+    "url": "https://twitter.com/kamranahmedse"
+  },
+  "pdfUrl": "/pdfs/software-design-architecture.pdf",
+  "relatedRoadmaps": [
+    "backend",
+    "software-architect",
+    "devops",
+    "python",
+    "java",
+    "nodejs",
+    "golang"
+  ]
+}
diff --git a/content/videos.json b/content/videos.json
index 750cbbcd4..145a697f0 100644
--- a/content/videos.json
+++ b/content/videos.json
@@ -1,4 +1,15 @@
 [
+  {
+    "id": "basic-authentication",
+    "title": "Basic Authentication",
+    "description": "Learn everything you need to know about basic authentication",
+    "isNew": true,
+    "youtubeLink": "https://www.youtube.com/watch?v=mwccHwUn7Gc",
+    "authorUsername": "kamranahmedse",
+    "duration": "5 minutes",
+    "updatedAt": "2022-10-01T19:59:14.191Z",
+    "createdAt": "2022-10-01T19:59:14.191Z"
+  },
   {
     "id": "basics-of-authentication",
     "title": "Basics of Authentication",
@@ -25,7 +36,7 @@
     "id": "heap-data-structure",
     "title": "Heap Data Structure",
     "description": "Learn everything you need to know about the heap data structure",
-    "isNew": true,
+    "isNew": false,
     "youtubeLink": "https://www.youtube.com/watch?v=F_r0sJ1RqWk",
     "authorUsername": "kamranahmedse",
     "duration": "11 minutes",
@@ -36,7 +47,7 @@
     "id": "tree-data-structure",
     "title": "Tree Data Structure",
     "description": "Learn everything you need to know about the tree data structure",
-    "isNew": true,
+    "isNew": false,
     "youtubeLink": "https://www.youtube.com/watch?v=S2W3SXGPVyU",
     "authorUsername": "kamranahmedse",
     "duration": "8 minutes",
diff --git a/content/videos/basic-authentication.md b/content/videos/basic-authentication.md
new file mode 100644
index 000000000..8ff68c497
--- /dev/null
+++ b/content/videos/basic-authentication.md
@@ -0,0 +1 @@
+<iframe src="https://www.youtube.com/embed/mwccHwUn7Gc" title="Basic Authentication | Authentication Series" />
diff --git a/lib/roadmap.ts b/lib/roadmap.ts
index ed7b71e3d..71409ab5e 100644
--- a/lib/roadmap.ts
+++ b/lib/roadmap.ts
@@ -49,5 +49,5 @@ export function getFeaturedRoadmaps(): RoadmapType[] {
 }
 
 export function isInteractiveRoadmap(id: string): boolean {
-  return ['frontend', 'backend', 'devops', 'react', 'vue', 'python', 'java', 'blockchain', 'golang', 'javascript', 'nodejs', 'qa', 'design-system', 'angular', 'software-architect'].includes(id);
+  return ['frontend', 'backend', 'devops', 'react', 'vue', 'python', 'java', 'blockchain', 'golang', 'javascript', 'nodejs', 'qa', 'design-system', 'angular', 'software-architect', 'software-design-architecture'].includes(id);
 }
diff --git a/pages/[roadmap]/interactive.tsx b/pages/[roadmap]/interactive.tsx
index 48edfea27..83332da83 100644
--- a/pages/[roadmap]/interactive.tsx
+++ b/pages/[roadmap]/interactive.tsx
@@ -170,6 +170,10 @@ export function InteractiveRoadmapRenderer(props: RoadmapProps) {
     minHeight = ['685px', '1170px', '1470px', '1980px', '1980px', '1980px'];
   }
 
+  if (roadmap.id === 'software-design-architecture') {
+    minHeight = ['515px', '1230px', '1310px', '1765px', '1765px', '1765px'];
+  }
+
   return (
     <Container maxW={'container.lg'} position="relative" minHeight={minHeight}>
       {(isLoading || isRendering) && <RoadmapLoader />}
diff --git a/public/guides/basic-authentication/chrome-basic-auth.png b/public/guides/basic-authentication/chrome-basic-auth.png
new file mode 100644
index 000000000..22f73f93e
Binary files /dev/null and b/public/guides/basic-authentication/chrome-basic-auth.png differ
diff --git a/public/guides/basic-authentication/safari-basic-auth.png b/public/guides/basic-authentication/safari-basic-auth.png
new file mode 100644
index 000000000..c3b04523d
Binary files /dev/null and b/public/guides/basic-authentication/safari-basic-auth.png differ
diff --git a/public/pdfs/software-design-architecture.pdf b/public/pdfs/software-design-architecture.pdf
new file mode 100644
index 000000000..6bd9c6686
Binary files /dev/null and b/public/pdfs/software-design-architecture.pdf differ
diff --git a/public/project/software-design-architecture.json b/public/project/software-design-architecture.json
new file mode 100644
index 000000000..c6f008c84
--- /dev/null
+++ b/public/project/software-design-architecture.json
@@ -0,0 +1,4770 @@
+{
+  "mockup": {
+    "controls": {
+      "control": [
+        {
+          "ID": "8712",
+          "typeID": "Label",
+          "zOrder": "76",
+          "measuredW": "196",
+          "measuredH": "32",
+          "x": "438",
+          "y": "505",
+          "properties": {
+            "size": "24",
+            "text": "Minimap of Topics"
+          }
+        },
+        {
+          "ID": "8723",
+          "typeID": "TextArea",
+          "zOrder": "58",
+          "w": "299",
+          "h": "50",
+          "measuredW": "200",
+          "measuredH": "140",
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diff --git a/public/roadmaps/software-design-architecture.png b/public/roadmaps/software-design-architecture.png
new file mode 100644
index 000000000..d30910269
Binary files /dev/null and b/public/roadmaps/software-design-architecture.png differ
diff --git a/public/sitemap.xml b/public/sitemap.xml
index c1b8d3eb0..9cc5bd77b 100644
--- a/public/sitemap.xml
+++ b/public/sitemap.xml
@@ -99,7 +99,19 @@
 <url>
               <loc>https://roadmap.sh/software-architect</loc>
               <changefreq>monthly</changefreq>
-              <lastmod>2022-09-26T21:37:21.827Z</lastmod>
+              <lastmod>2022-10-03T17:18:04.218Z</lastmod>
+              <priority>1.0</priority>
+          </url>
+<url>
+              <loc>https://roadmap.sh/software-design-architecture</loc>
+              <changefreq>monthly</changefreq>
+              <lastmod>2022-10-03T17:29:46.903Z</lastmod>
+              <priority>1.0</priority>
+          </url>
+<url>
+              <loc>https://roadmap.sh/guides/http-basic-authentication</loc>
+              <changefreq>monthly</changefreq>
+              <lastmod>2022-10-03T19:59:14.191Z</lastmod>
               <priority>1.0</priority>
           </url>
 <url>
diff --git a/readme.md b/readme.md
index 4351f80c1..79800b6be 100644
--- a/readme.md
+++ b/readme.md
@@ -35,6 +35,7 @@ Here is the list of available roadmaps with more being actively worked upon.
 - [DevOps Roadmap](https://roadmap.sh/devops)
 - [QA Roadmap](https://roadmap.sh/qa)
 - [Software Architect Roadmap](https://roadmap.sh/software-architect)
+- [Software Design and Architecture Roadmap](https://roadmap.sh/software-design-architecture)
 - [JavaScript Roadmap](https://roadmap.sh/javascript)
 - [React Roadmap](https://roadmap.sh/react)
 - [Vue Roadmap](https://roadmap.sh/vue)