OpenJoy will provide a FOSS- and commercial-friendly API and tracker
for providing a more console-esque control configuration experience,
automatic controller discovery and configuration, and player/gamepad
identification facilities.

NEWS

Stuff to try if you're interested:

make testdiagrams && ./testdiagrams data/ps2-diagram-back.png data/ps2-diagram-front.png data/ps2-diagram.rects

Check out an alternate view with ps2-diagram-front2.png