Tungsten.js is a modular framework for creating web UIs with high-performance rendering on both server and client.
Better MV-ish Framework
Full stack online publishing and CMS for Node.js
Application Architecture for Building User Interfaces
AngularJS lets you write client-side web applications as if you had a smarter browser. It lets use good old HTML (or HAML, Jade and friends!) as your template language and lets you extend HTML’s syntax to express your application’s components clearly and succinctly
A promise-based Node.JS library for the Blizzard Battle.net Community Platform API
MVC framework making it easy to write realtime, collaborative applications that run in both Node.js and browsers
The Vue.js Developers Framework
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
Combining the simplicity and power of AngularJS and Meteor
hoodie super power to the frontend!
A highly customizable radial menu that's very easy to setup.
A state controller with its own debugger
WinJS project by Microsoft Open Technologies