ioquake is the development team behind engines like ioquake3. They're known for being the de-facto standard in id software technologies post-GPL release.
It has been a long road, but ioquake3 1.36 is almost ready!
Effectively immediately ioquake3 will be dropping the established rendering path of OpenGL and moving directly into the future of gaming, rendering through...
ioquake3 1.36 has been officially released, check out the full list of improvements and more.