Enyo
A JavaScript application framework emphasizing modularity and encapsulation
Componentjs
ComponentJS -- Powerful run-time Component System for structuring HTML5-based Rich Clients
Mobx
Simple, scalable state management.
JavascriptMVC
Develop with direction! With CanJS, jQuery++, FuncUnit, Steal, DocumentJS.
Prime
an OOP javascript library for node.js and the browsers
Cycle Core
A fully reactive JavaScript framework for Human-Computer Interaction
Sdk Js
Tanker client-side encryption SDK for JavaScript
Google Closure Library
git-svn mirror of Google's Closure Library.
Alloy Ui
Alloy is a UI metaframework that provides a consistent and simple API for building web applications across allthree levels of the browser: structure, style and behavior.
Derby
MVC framework making it easy to write realtime, collaborative applications that run in both Node.js and browsers
Pixel Craft
A Pixel Art Editor
Skel
A lightweight responsive framework for the www
Riotjs
The 1kb client side MV* library
Canjs
Can do JS, better, faster, easier.
Maria
The MVC framework for JavaScript applications. The real MVC. The Smalltalk MVC. The Gang of Four MVC.
Wee
Blueprint for modern web development
Ractive
Next-generation DOM manipulation