Q3 Rally is a car driving and car combat Modification for OpenArena. It still works with Quake III Arena but design focus lies on OpenArena now. The most actual version is 1.33. The V1.4 release is on the way. Stay tuned.
These are all the necessary tools for Mapping for Q3Rally. Three map editors the compiler and the frontend for the compiler. With this and the mod itselfs you will be able to make nice maps for Q3Rally.