impress.js : 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
Dropzone.js : DropzoneJS is an open source library that provides drag'n'drop file uploads with image previews.
JSDB.io : JSDB is a collection of the best javascript libraries
D3.js : D3.js is a JavaScript library for manipulating documents based on data. D3 helps you bring data to life using HTML, SVG and CSS. D3’s emphasis on web ...
Protovis : Protovis composes custom views of data with simple marks such as bars and dots. Unlike low-level graphics libraries that quickly become tedious for vi...
A simple library for handling keyboard shortcuts in Javascript.