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.
Full stack online publishing and CMS for Node.js
Better MV-ish Framework
An HTML5/CSS3 framework used at SAPO for fast and efficient website design and prototyping
Reactive Flux built with ImmutableJS data structures. Framework agnostic.
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
Fighting Crime and Kicking Apps
A state controller with its own debugger
A lightweight responsive framework for the www