Loglevel
Minimal lightweight logging for JavaScript, adding reliable log level methods to wrap any available console.log methods
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.
Sticky Kit
A jQuery plugin for creating smart sticky elements
Remote Storage
Client-side Javascript library to make apps compatible with a remote storage.
Twig.js
JS implementation of the Twig Templating Language
Highland
High-level streams library for Node.js and the browser
Sammy
Sammy is a tiny javascript framework built on top of jQuery, It's RESTful Evented Javascript.
Pg Mem
An in memory postgres DB instance for your unit tests
Fluxible
A pluggable container for isomorphic flux applications
Postal.js
JavaScript pub/sub library supporting some advanced subscription features, plus message capture and replay
Redux Loop
A port of elm-effects and the Elm Architecture to Redux that allows you to sequence your effects naturally and purely by returning them from your reducers.
Chaplin
An Application Architecture Using Backbone.js
Fast Memoize.js
:rabbit: Fastest possible memoization library
Enyo
A JavaScript application framework emphasizing modularity and encapsulation
Sproutcore
JavaScript Application Framework - JS library only
Rambda
Faster alternative to Ramda in just 10kB
Aura
A scalable, event-driven JavaScript architecture for developing widget-based applications. Works with Backbone.js and other frameworks.