Nuclear Js
Reactive Flux built with ImmutableJS data structures. Framework agnostic.
Prime
an OOP javascript library for node.js and the browsers
Pixel Craft
A Pixel Art Editor
Google Closure Library
git-svn mirror of Google's Closure Library.
Remote Storage
Client-side Javascript library to make apps compatible with a remote storage.
Componentjs
ComponentJS -- Powerful run-time Component System for structuring HTML5-based Rich Clients
JavascriptMVC
Develop with direction! With CanJS, jQuery++, FuncUnit, Steal, DocumentJS.
Mjml
MJML: the only framework that makes responsive-email easy
Enyo
A JavaScript application framework emphasizing modularity and encapsulation
Spine
Lightweight MVC library for building JavaScript applications
Javascript State Machine
A finite state machine javascript micro framework
Serenade.js
Client side MVC framework
Hydra.js
Create a scalable, maintainable and module oriented system using Hydra.js
Hoodie.js
hoodie super power to the frontend!
Derby
MVC framework making it easy to write realtime, collaborative applications that run in both Node.js and browsers
Stimulus
A modest JavaScript framework for the HTML you already have
Wee
Blueprint for modern web development