Common Lisp
Git from the bottom up
PostgreSQL Python tutorial
Hacking Secret Ciphers with Python
Learn Vimscript the Hard Way
Lisp Web Tales
Quasiquotation in Lisp
The Cathedral and the Bazaar
JavaScript Enlightenment
Pro Git
Practical PostgreSQL
Critical Thinking Mini Guide
The Theory of Relational Databases
A Byte Of Vim
Loving Lisp, or the Savvy Programmer's Secret Weapon
Version Control by Example
CouchDB: The Definitive Guide
Structure and Interpretation of Computer Programs
Dive Into Python
Fundamentals of Wireless Communication
On Lisp
Programming Scala
Dive Into HTML5
Eloquent JavaScript
Practical Common Lisp
Learn You Some Erlang for Great Good!
The Icon Programming Language
Thinking in C++
jQuery Fundamentals
Foundations of Computer Science
Successful Lisp
The Not So Short Introduction to LaTeX 2ε