Webpack
Packs CommonJs/AMD modules for the browser. Allows to split your codebase into multiple bundles, which can be loaded on demand. Support loaders to preprocess files, i.e. json, jade, coffee, css, less, ... and your custom stuff.
Backbone Deep Model
Improved support for models with nested attributes.
Modules Webmake
Bundle CommonJS/Node.js modules for web browser
Invisible
Invisible.js: Reusable models for the client and the server
Connective
agent-based reactive programming library for typescript
ifvisible.js
Checks if the current page is visible or not
Prime
an OOP javascript library for node.js and the browsers
Venus.js
where bugs go to die
Use.js
An AMD/RequireJS plugin for consuming incompatible JavaScript files.
Radial Menu
A highly customizable radial menu that's very easy to setup.
Modernizr
Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the user’s browser.
Stapes
a (really) tiny Javascript MVC microframework
Qooxdoo
A Universal JavaScript Framework
Highway
A fast, lightweight and simple Javascript routing library with no dependencies.
Js Cache
jsCache is a javascript library that enables caching of javascripts, css-stylesheets and images using my localStorage polyfill. This is especially useful when serving your website for mobile phones, which have limited HTTP caching available, but also speeds up your site in an ordinary web browser as it saves HTTP requests and loads all files asynchronously.
Straw
Realtime processing framework for Node.js
Refraction
A guard that represents a central point of control in your application