Racer Free Car Simulation 
Provides information on Ruud van Gaal's car simulation project, program downloads, links to downloads for additional tracks and cars, documentation on using and modifying Racer aspects, troubleshooting information, and a gallery of screenshots.
http://www.racer.nl/JJT Tuning Racer Setups
Offers original car setups and car downloads for Racer.
http://www.tainio.net/racer/
Racer-Xtreme
Offers over 100 cars for download plus tracks, tools and video footage. Also includes reviews, articles and FAQ section for players and car designers.
http://www.racer-xtreme.com/
Racer Bolide
Contains cars for download.
http://www.kcendra.com/racerbolide/
The Racer Linux FAQ
Offers FAQ and troubleshooting for the Linux version of Racer.
http://www.schuerkamp.de/zope/hoover/racing/racer_linux_faq
