PHIGS (Programmer's Hierarchical Interactive Graphics System)
This project migrated to https://github.com/gpac/gpac/
Music Player and Organizer
Music player - endlessly plays your music
A tool to convert video from nearly any format to modern codecs
Audio player, transcoder and cd ripper
PlayStation 2 emulator for Windows and Linux
Free drawing software for Windows, Mac OS X, and Linux
Supporting 4op instruments, two effect columns and instrument macros.
Mandelbrot browser built with Baby X
an interactive 3D viewing program