Curl
A small, fast module and resource loader with dependency management. (AMD, CommonJS Modules/1.1, CSS, HTML, etc.)
Meteor
Meteor, an ultra-simple, database-everywhere, data-on-the-wire, pure-Javascript web framework.
Px Loader
PxLoader is a simple JavasScript library for creating preloaders and resource downloaders for HTML5 apps.
Lazyload
Tiny, dependency-free async JavaScript and CSS loader.
Modules Webmake
Bundle CommonJS/Node.js modules for web browser
Joosy
Joosy is a browser applications framework. That is based on Rails, CoffeeScript and love.
Google Closure Library
git-svn mirror of Google's Closure Library.
T.js
A tiny javascript templating framework in ~400 bytes gzipped
Hoodie.js
hoodie super power to the frontend!
Fast.js
Faster user-land reimplementations for several common builtin native JavaScript functions.
Pixel Craft
A Pixel Art Editor
Pegasus
Load data while still loading other scripts and display data faster in jQuery, Backbone, Angular, ... apps
Sherlock
Natural-language event parser for Javascript
Twig.js
JS implementation of the Twig Templating Language
Backbone Deep Model
Improved support for models with nested attributes.
Sentry
Sentry is a realtime error logging and aggregation platform
Mobx
Simple, scalable state management.