http://www.thefreecountry.com/compilers/index.shtml

http://www.idiom.com/free-compilers

http://www.freebyte.com/programming/

http://www.bloodshed.net/compilers/index.html

http://www.thefreecountry.com/compilers/csharp.shtml

http://www.compilers.net/Dir/Free/Compilers/CCpp.htm

http://www.freebyte.com/programming/java/

http://www.cobug.com/cobug/docs/freeCompilers0098.html

http://www.iit.edu/~tc/freecomp.htm

http://www.cs.virginia.edu/~lcc-win32

http://en.wikipedia.org/wiki/Egcs

http://www.freebasic.net/index.php/download