AirTouch is a computer vision based gesture recognition software written in JavaScript. It is based of the Viola Jones algorithm.
To run it, you need to host it on a local web server (over https). You can use for the same: https://www.npmjs.com/package/local-web-server
Rotate a 3D model such as a DNA molecule or a bi-plane, using your fist.
Scroll a page using your fist
Scroll a page using your eye. Note: It is a work in progress