TORCS - The Open Racing Car Simulator
- 3D racing simulator using OpenGL technologies, derived from RARS. Players can develop their own driver using C or C++. (C++) [Linux, FreeBSD, Windows] [GPL2]
- http://torcs.sourceforge.net/

GLtron
- gltron is a last player riding game based on the light cycle portion of the movie Tron. (C) [Mac OS X, Mac OS 9 (unsupported), Linux, Windows] [GPL]
- http://www.gltron.org/index.php

VDrift
- Open source driving simulation made with drift racing in mind, powered by Vamos physics engine. (C++) [Linux, FreeBSD, Mac OS X and Windows (Cygwin)] [GPL2]
- http://vdrift.net/

Tux Racer
- An Open Source project in which the user takes the form of Tux (the Linux Mascot) and races downhill through alpine trails.
- http://tuxracer.sourceforge.net