Phaser is a light-weight 2D game framework for making HTML5 games for desktop and mobile browsers
A completely customizable framework for building rich text editors.
Simple HTML5 Charts using the <canvas> tag
The streaming build system
It's a presentation framework based on the power of CSS3 transforms and transitions in modern browsers and inspired by the idea behind prezi.com.
The HTML Presentation Framework
A simple HTML5, YouTube and Vimeo player
A React-based UI toolkit for the web