Repositories for FlightGear: deb http://debian.orson.at/repositories/daily/ experimental fgfs deb-src http://debian.orson.at/repositories/daily/ experimental fgfsFreeSpace2:
FreeSpace2 binary from cvs (joy-linux joystick support)
More Debian specific:
Debian info + repository (FlightGear/Mplayer/Widelands/Skype)