* [The Future of the Internet](http://futureoftheinternet.org/)
* [The Architecture of Open Source Applications: Vol. 1: Elegance, Evolution, and a Few Fearless Hacks; Vol. 2: Structure, Scale, and a Few More Feerless Hacks](http://www.aosabook.org/en/index.html)
* [The Performance of Open Source Applications](http://aosabook.org/en/)
* [The Future of Ideas](http://the-future-of-ideas.com/download/lessig_FOI.pdf)
####Information Retrieval
* [Introduction to Information Retrieval](http://nlp.stanford.edu/IR-book/information-retrieval-book.html)
@ -363,10 +368,15 @@
* [Confessions of an IT Manager](http://download.red-gate.com/ebooks/DotNet/Confessions_IT_Manager.zip) *(RedGate, By Phil Factor)*
####Cryptography
* [Handbook of Applied Cryptography](http://cacr.uwaterloo.ca/hac/index.html)
###Ada
* [Ada 95: The Craft of Object-Oriented Programming](http://faculty.cs.wwu.edu/reedyc/AdaResources/bookhtml/contents.htm)
* [Ada for Software Engineers](http://pnyf.inf.elte.hu/kto/oktatas/ada/books/ase.pdf) (PDF)
* [The Big Online Book of Linux Ada Programming](http://www.pegasoft.ca/resources/boblap/book.html)
###Agda
@ -442,6 +452,8 @@
* [C++ Succinctly, Syncfusion ](http://www.syncfusion.com/resources/techportal/ebooks/cplusplus) (PDF, Kindle) *(Just fill the fields with any values)*
* [Practical Regression and Anova using R](http://cran.r-project.org/doc/contrib/Faraway-PRA.pdf) (PDF)
* [Data Mining with R](http://www.dcc.fc.up.pt/~ltorgo/DataMiningWithR/book.html)
###Racket
* [Programming Languages: Application and Interpretation](http://cs.brown.edu/courses/cs173/2012/book/index.html)
@ -1035,6 +1055,7 @@ See also [TeX](#tex)
###Security
* [OWASP Top 10 for .NET Developers](http://www.troyhunt.com/2011/12/free-ebook-owasp-top-10-for-net.html)
* [Intrusion Detection Systems with Snort](http://ptgmedia.pearsoncmg.com/images/0131407333/downloads/0131407333.pdf)
###Sed
* [Sed - An Introduction and Tutorial](http://www.grymoire.com/Unix/Sed.html)
@ -1059,6 +1080,7 @@ See also [TeX](#tex)
* [Developing Time-Oriented Database Applications in SQL](http://www.cs.arizona.edu/people/rts/publications.html)
* [Use The Index, Luke!: A Guide To SQL Database Performance](http://use-the-index-luke.com/)
* [Learn SQL The Hard Way](http://sql.learncodethehardway.org/)
* [SQL For Web Nerds](http://philip.greenspun.com/sql/)
###SQL Server
@ -1107,6 +1129,8 @@ See also [LaTeX](#latex)
###TypeScript
* [TypeScript Succinctly, Syncfusion](http://www.syncfusion.com/resources/techportal/ebooks/typescript) (PDF, Kindle) *(Just fill the fields with any values)*
###Unix
* [A User's Guide for GNU AWK](http://www.math.utah.edu/docs/info/gawk_toc.html)
###Vim
* [A Byte of Vim](http://www.swaroopch.com/notes/Vim)