diff --git a/free-courses-en.md b/free-courses-en.md
index 834d8b9c7..f9790534d 100644
--- a/free-courses-en.md
+++ b/free-courses-en.md
@@ -125,6 +125,7 @@
 
 ### Assembly
 
+* [Binary Exploitation / Memory Corruption by LiveOverflow](https://www.youtube.com/playlist?list=PLhixgUqwRTjxglIswKp9mpkfPNfHkzyeN) - LiveOverflow
 * [Introduction To Reverse Engineering Software](http://opensecuritytraining.info/IntroductionToReverseEngineering.html)
 * [Introductory Intel x86: Architecture, Assembly, Applications, & Alliteration](http://opensecuritytraining.info/IntroX86.html)
 
@@ -561,14 +562,15 @@
 * [Programming Foundations with Python](https://www.udacity.com/course/programming-foundations-with-python--ud036) (Udacity)
 * [Python 3](https://www.sololearn.com/Course/Python/) (SoloLearn)
 * [Python And Cryptocurrency: Build 5 Real World Applications](https://www.udemy.com/course/coinmarketcap/) Ian Annase (Udemy)
-* [Python Beginners-Intermediate Tutorial](https://www.youtube.com/playlist?list=PL-osiE80TeTt2d9bfVyTiXJA-UTHn6WwU) - Corey Schafer
 * [Python Built in Functions A to Z Tutorial and Examples](https://www.youtube.com/playlist?list=PLrJGwAG1U62RW_hGGnk7xXG0LciHkT54X) - Brainy Things
 * [Python Course](http://www.python-course.eu)
 * [Python Course from scratch](https://scrimba.com/playlist/pNpZMAB) - Olaf Paulson (scrimba)
 * [Python for Everybody](https://www.py4e.com/lessons) (Coursera Reading Materials with YouTube Videos)
 * [Python Learn Course](https://www.kaggle.com/learn/python) - Colin Morris (Kaggle)
+* [Python OOP Tutorials - Working with Classes](https://www.youtube.com/playlist?list=PL-osiE80TeTsqhIuOqKhwlXsIBIdSeYtc) - Corey Schafer
 * [Python Programming Tutorial](https://www.youtube.com/playlist?list=PL_RGaFnxSHWpX_byHyTEj9hecPngl2DqR)
 * [Python Tutorial](https://www.w3schools.com/python/) - W3Schools
+* [Python Tutorials](https://www.youtube.com/playlist?list=PL-osiE80TeTt2d9bfVyTiXJA-UTHn6WwU) - Corey Schafer
 * [SoloLearn](https://www.sololearn.com/Course/Python/)
 * [The Python Tutorial](https://docs.python.org/3/tutorial/)
 * [Using Python for Research](https://www.edx.org/course/using-python-for-research) (edX Harvard)
@@ -577,12 +579,12 @@
 #### Django
 
 * [Django for Everybody](https://dj4e.sites.uofmhosting.net/lessons) (Coursera Reading Materials with YouTube Videos)
-* [Python Django Basics Tutorial](https://www.youtube.com/playlist?list=PL-osiE80TeTtoQCKZ03TU5fNfx2UY6U4p) - Corey Schafer
+* [Django Tutorials](https://www.youtube.com/playlist?list=PL-osiE80TeTtoQCKZ03TU5fNfx2UY6U4p) - Corey Schafer
 
 
 #### Flask
 
-* [Python Flask Framework Tutorial](https://www.youtube.com/playlist?list=PL-osiE80TeTs4UjLw5MM6OjgkjFeUxCYH) - Corey Schafer
+* [Flask Tutorials](https://www.youtube.com/playlist?list=PL-osiE80TeTs4UjLw5MM6OjgkjFeUxCYH) - Corey Schafer
 * [Python Flask Tutorial](https://www.tutorialspoint.com/flask/flask_overview.htm) (TutorialsPoint)