An open source Mac OSX RSS reader with support for RSS/Atom feeds
Cross platform GUI for Maxima
A free peer-to-peer (P2P) BitTorrent file sharing client
The Free / Libre / Open Source Web App with the most built-in features
Audio converter and CD ripper for various formats
Real time satellite tracking and orbit prediction
Read, write and edit metadata
Low-latency, high quality voice chat for gamers
Virtual MIDI controller for Linux, Windows and OSX
A unified display of relevant technical and tag data for A/V files
Free church worship presentation software
Award-winning lightweight Open Source Content Management System (CMS)
A 3D simulator game where you can drive, fly, and sail
A planetarium software that shows a 3D simulation of the night sky
Free flexible open source todo manager featuring hierarchical tasks
Vector drawing program for LaTeX using PSTricks
Free operating system for Atari computers, and more.