JayData
JayData is a unified data access library for JavaScript to CRUD data from different sources like WebSQL/SQLite, IndexedDB, MongoDb, ASP.NET WebAPI, OData, HTML5 localStorage, Facebook or YQL. The library can be integrated with KendoUI, Knockout.js, Handlebars.js or Sencha Touch 2 and can be used on Node.js as well.
Backbone Nested
A plugin to make Backbone.js keep track of nested attributes.
Autolink Js
Tiny little tool to find URLs in a string of text and hyperlink them
Queen
A platform for running scripts on many browsers
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.
Onfire.js
onfire.js is a simple events dispatcher subscribe / publish library (< 1kb). async, simple and usefull.
Lodash
An alternative to Underscore.js, delivering consistency, customization, performance, and extra features.
Cram
Simple AMD and CommonJS module bundler.
Tock
Timer Object/Class. Kickass!
Diagram
JS tool for making node graphs. Inspired by dependency graph
Modules Webmake
Bundle CommonJS/Node.js modules for web browser
Q
A tool for making and composing asynchronous promises in JavaScript
Stately.js
Stately.js is a JavaScript based finite-state machine (FSM) engine for Node.js and the browser.
Angular History
A history service for AngularJS. Undo/redo, that sort of thing. Has nothing to do with the "back" button, unless you want it to.
UI Router
The de-facto solution to flexible routing with nested views
Backbone Layout Manager
A layout and template manager for Backbone.js applications.
Refluxjs
A simple library for uni-directional dataflow application architecture inspired by ReactJS Flux