Sammy
Sammy is a tiny javascript framework built on top of jQuery, It's RESTful Evented Javascript.
Chaplin
An Application Architecture Using Backbone.js
Enyo
A JavaScript application framework emphasizing modularity and encapsulation
Fast Memoize.js
:rabbit: Fastest possible memoization library
Cerebral
A state controller with its own debugger
Stampit
Create objects from reusable, composable behaviors.
Remote Storage
Client-side Javascript library to make apps compatible with a remote storage.
Postal.js
JavaScript pub/sub library supporting some advanced subscription features, plus message capture and replay
Sproutcore
JavaScript Application Framework - JS library only
Ink
An HTML5/CSS3 framework used at SAPO for fast and efficient website design and prototyping
Steal
Gets JavaScript
Nuclear Js
Reactive Flux built with ImmutableJS data structures. Framework agnostic.
Aura
A scalable, event-driven JavaScript architecture for developing widget-based applications. Works with Backbone.js and other frameworks.
Durandal
A cross-device, cross-platform client framework written in JavaScript and designed to make building Single Page Applications (SPAs) easy to create and maintain.
Head js
The only script in your HEAD. Head JS loads JavaScript files in parallel like images without blocking the page. Your page will be faster. Even with a single combined file.
Fast.js
Faster user-land reimplementations for several common builtin native JavaScript functions.
Libretaxi
LibreTaxi, free and open source Uber/Lyft alternative to connect passengers and drivers.