Winjs
WinJS project by Microsoft Open Technologies
Pencilblue
Full stack online publishing and CMS for Node.js
Componentjs
ComponentJS -- Powerful run-time Component System for structuring HTML5-based Rich Clients
Abaaso
A modern, lightweight enterprise-class RESTful JavaScript application framework.
Dojo
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.
Somajs
Scalable javascript framework
Postal.js
JavaScript pub/sub library supporting some advanced subscription features, plus message capture and replay
Lovli.js
A boilerplate for developing react+redux applications with rethinkdb/horizon as realtime database and express for the server.
Delorean
An Agnostic, Complete Flux Architecture Framework
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.
Frontless
Build universal JS applications with Riot.JS
Skel
A lightweight responsive framework for the www
Cycle Core
A fully reactive JavaScript framework for Human-Computer Interaction
Chaplin
An Application Architecture Using Backbone.js
Stapes
a (really) tiny Javascript MVC microframework
Google Closure Library
git-svn mirror of Google's Closure Library.
Tungstenjs
Tungsten.js is a modular framework for creating web UIs with high-performance rendering on both server and client.