The IRC's Talking Robot
Superseded by the official Gimp release: http://www.gimp.org/downloads
A powerful WOL, ping, shutdown, GUI application.
Open source support tracking in your browser
Internet - Multi Server Control Panel
LGSL (Live Game for PHP 5.4-8+: online status for various gameservers
Tool for creating live usb-drives and downloading distros
HoldingNuts is an open source multi-platform poker client and server
broodROM
Allow to redirect (a.k.a. "remail") mail messages to other recipients
Library to help you promote your Android app
Password Generator for Windows