Another very good freeware racing simulation.
"Speed Dreams is a Motorsport Simulator featuring high-quality 3D graphics and an accurate physics engine, all targeting maximum realism. It's also a 3D cross-platform, open source motorsport simulation and racing game"Features
3D real-time motorsport simulator for gamers and researchers
Accurate physics targeting maximum possible realism
High Quality graphics
21 HQ tracks to race on
28 HQ fine-tuned cars in 4 balanced and consistent sets
Many more cars and tracks available from the community
2 first class AI opponents for thrilling races
Fully open to any research, study or teaching work (physics, AI, graphics, ...)
Support for many input devices (keyboard, joypad, joystick, wheel/pedal ...)
Runs under Windows and Linuxes (WIP on Mac OS X)
http://www.speed-dreams.org/
