LeapJS

See the following -

Open Source Motion Controller Revolutionizes Human-Computer Interactions

The Leap Motion Controller is a step towards breaking down this barrier with motion control, using the original human interface: the hand. It’s a small USB peripheral that tracks your hands within an interaction zone of eight cubic feet. While the hardware is fairly simple—featuring three infrared lights and a pair of cameras—the software makes possible high-precision tracking with near-zero latency... Read More »