Abaaso
A modern, lightweight enterprise-class RESTful JavaScript application framework.
Use.js
An AMD/RequireJS plugin for consuming incompatible JavaScript files.
PreloadJS
PreloadJS makes preloading assets & getting aggregate progress events easier in JavaScript. It uses XHR2 when available, and falls back to tag-based loading when not.
Conditioner
Frizz Free, Environment-aware, JavaScript Modules
Backbone Layout Manager
A layout and template manager for Backbone.js applications.
Wee
Blueprint for modern web development
Routie
a tiny javascript hash router
Jwerty
Awesome handling of keyboard events
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.
Hydra.js
Create a scalable, maintainable and module oriented system using Hydra.js
Flakes
Flakes is an Admin Template Framework. A combination of CSS Libraries, JavaScript Libraries and Design files that help you build business tools very quickly.
Lazy Load Xt
Lazy load XT is a jQuery plugin for images, videos and other media
When
A solid, fast Promises/A+ and when() implementation, plus other async goodies.
Sticky Kit
A jQuery plugin for creating smart sticky elements
Robotjs
Node.js Desktop Automation.
Nuclear Js
Reactive Flux built with ImmutableJS data structures. Framework agnostic.
Meld
AOP for JS with before, around, on, afterReturning, afterThrowing, after advice, and pointcuts