C, C++, C Sharp
49
HTML, CSS, JS, Ajax
33
Java
50
Macromedia Flash
4
Perl
6
PHP
19
Python
10
TeX and LaTeX
9
VB and ASP
30
XML, XSLT, SOAP, UML, RSS
13
Blackburn - Learn Prolog Now
Cantu - Mastering Delphi 6 (Borland, 2001)
Clinton - Ruby Phrasebook [programming] (AW, 2008)
Common Lisp - A Gentle Introduction To Symbolic Computation - David S. Touretzky
Cooper - Beginning Ruby - From Novice to Pro (Apress, 2007)
Delphi 6 for Windows - Developer's Guide (Borland, 2001)
Feldt - Programming Firefox [XUL] (O'Reilly, 2007)
Fitzgerald - Learning Ruby (O'Reilly, 2007)
Foster - Programmer's Ultimate Security Desk Reference (Syngress, 2004)
Friedman - Essentials of Programming Languages 3e (MIT, 2008)
Kernighan - The C Programming Language 2e
Liberty - Programming C Sharp 3.0 5e (O'Reilly, 2007)
Lutz - Learning Python 3e (O'Reilly, 2007)
Object Pascal Language Guide (Borland, 2001)
Oualline - Practical C Programming 3e (O'Reilly)
Ousterhout - Tcl and the Tk Toolkit (AW, 1993)
Pelc - Programming Forth (MEL, 2005)
Programming In Scheme - Eisenberg , Abelson
Prolog Programming - A First Course - Paul Brna
Steele - Common Lisp - The Language 2e