| GNU/Linux |

Linux distributions:

+ Slackware
+ Debian
+ RedHat
+ Mandrake
+ SUSE

X11: Desktop Enviorments & Window Managers:

+ KDE
+ Gnome
+ Window Maker
+ BlackBox
+ FluxBox

News & Resources:

+ The Linux Domentation Project
+ Slashdot.org
+ Freshmeat.net
+ Kernel.org
+ Themes.org

Web Software:

+ Galeon
+ Konqueror
+ Mozilla
+ Opera
+ Pan News Reader

Server Software:

+ Apache
+ CUPS Common UNIX Printing System
+ MySQL
+ Postfix
+ SAMBA Openning windows to a wider world :)

Development Tools:

+ KDevelop
+ Kylix
+ Python
+ Quanta+
+ jEdit

Sound:

+ XMMS
+ AlsaPlayer

Graphics:

+ The Gimp
+ Xine
+ VideoLan
+ MPlayer