A functional js library that facilitates currying and point-free / tacit programming
Client side MVC framework
One-way data binding for web applications.
Checks if the current page is visible or not
A small, fast module and resource loader with dependency management. (AMD, CommonJS Modules/1.1, CSS, HTML, etc.)
198 byte publish/subscribe messaging micro-framework
Dojo saves you time and scales with your development process, using web standards as its platform. It’s the toolkit experienced developers turn to for building high quality desktop and mobile web applications.
Repository for extjs to be used as a git-submodule in projects
Supermodel - Minimal Model Tracking for Backbonejs
onfire.js is a simple events dispatcher subscribe / publish library (< 1kb). async, simple and usefull.
A history service for AngularJS. Undo/redo, that sort of thing. Has nothing to do with the "back" button, unless you want it to.