Min Pub Sub
198 byte publish/subscribe messaging micro-framework
Phantom Css
Visual/CSS regression testing with PhantomJS
Mediaelement
HTML5 <audio> or <video> player with Flash and Silverlight shims that mimics the HTML5 MediaElement API, enabling a consistent UI in all browsers.
Lwf
LWF - Lightweight SWF
Montage
Core framework: Montage simplifies the development of rich HTML5 applications by providing modular components, real-time two-way data binding, CommonJS dependency management, and many more conveniences. Join us on irc.freenode.net#montage or https://groups.google.com/d/forum/montagejs
Scale App
scaleApp is a JavaScript framework for scalable One-Page-Applications
Derby
MVC framework making it easy to write realtime, collaborative applications that run in both Node.js and browsers
Ratio.js
Rational numbers for Javascript
LScache
A localStorage-based memcache-inspired client-side caching library.
Scrob Master
Master your scroll events.
Grips
Simple-logic templates
Vintage JS
vintageJS - add a retro/vintage effect to images using the HTML5 canvas element
Jquery Mockjax
The jQuery Mockjax Plugin provides a simple and extremely flexible interface for mocking or simulating ajax requests and responses
Really Simple Color Picker
Simple Color Picker written in jQuery.
jQuery Smart Auto Complete
AutoComplete plugin with smart defaults and flexibility to customize
Extract Values
A simple helper to extract values from a string based on a pattern.
Maria
The MVC framework for JavaScript applications. The real MVC. The Smalltalk MVC. The Gang of Four MVC.