ExpressJS - Sinatra inspired web development framework for node.js -- insanely fast, flexible, and simple
Previewed - Beautiful mockups & graphics for your next app
Chart.js - Easy, object oriented client side graphs for designers and developers.
Design Camera - Drag and drop 3D mockups
Famous Engine - The Famous Engine is a free and open source JavaScript rendering engine.
Morflax studio - 3D design platform on the web