Mesa is primarily developed and used on Linux systems. But there's also support for Windows, other flavors of Unix and other systems such as Haiku. We're actively developing and maintaining several hardware and software drivers.
The primary API is OpenGL but there's also support for OpenGL ES 1 and ES 2, OpenVG and the EGL interface.
Hardware drivers include:
Software drivers include:
Additional driver information:
In the past there were other drivers for older GPUs and operating systems. These have been removed from the Mesa source tree and distribution. If anyone's interested though, the code can be found in the git repo. The list includes: