dancer.js : dancer.js is a high-level audio API, usable with both Mozilla's Audio Data API and Webkit's Web Audio API with flash fallback, designed to make sweet ...
JSDB.io : JSDB is a collection of the best javascript libraries
Timeline : Beautifully crafted timelines that are easy, and intuitive to use.
Bespoke.js : Bespoke.js is a super minimal, modular presentation library for modern browsers, designed to foster a rich plugin ecosystem.
Prototype : Easy Ajax and DOM manipulation for dynamic web applications
A simple library for handling keyboard shortcuts in Javascript.