MeediOS, Your Media, Your Way
MeediOS is an open source Home Theater application based on the closed source Meedio. The software acts as a front end for all your media such as TVShows, Music, Movies and Games. It is infinitely customizable with its plugin based architecture.
GSpcplay is a Gnome frontend for the snesapu library. It does playback spc files (SNES audio dumps).
Milk Engine is a flexible engine suitable for almost any game. Milk Engine will contain everything needed to develop a game, even for the newbie. Yet its very useful for advanced users. Its based on OpenGL and SDL, therefore its also cross-platform.