LeapJS provides a powerful and flexible extension framework that makes it easy to build and use custom plugins.
LeapJS-Plugins includes a handful of useful utility methods.
LeapJS 3D Widgets: Push buttons and drag planes
LeapJS-rigged-hand uses THREE.js to add a hand to any web page.
Plugins Utils includes Leap Data Plotter, allowing easy plotting streaming data to a <canvas>.
LeapJS-Network [alpha]: Stream Leap Motion data live over WebRTC Data channels.
Allows you to capture and play back Leap frame data.