A completely customizable framework for building rich text editors.
Simple HTML5 Charts using the <canvas> tag
Realtime application framework for Node.JS, with HTML5 WebSockets and cross-browser fallbacks support.
Fast, easy and reliable testing for anything that runs in a browser.
A React-based UI toolkit for the web
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.
Materialize, a CSS Framework based on Material Design
generate massive amounts of fake data in Node.js and the browser