The most advanced responsive front-end framework in the world. Quickly create prototypes and production code for sites and apps that work on any kind of device.
Cross-browser CSS3 animations. Plug and play. Do a little dance.
Bluebird is a full featured promise library with unmatched performance.
A modern, HTML5-ready alternative to CSS resets (as used by Twitter Bootstrap, HTML5 Boilerplate, TweetDeck, Soundcloud, and many others).
The streaming build system
Simplified HTTP request client.
the last carousel you'll ever need
A datepicker for @twitter bootstrap forked from Stefan Petre's (of eyecon.ro), improvements by @eternicode
An alternative to Underscore.js, delivering consistency, customization, performance, and extra features.
File Upload widget with multiple file selection, drag&drop support, progress bars and preview images for jQuery. Supports cross-domain, chunked and resumable file uploads and client-side image resizing. Works with any server-side platform (PHP, Python, Ruby on Rails, Java, Node.js, Go etc.) that supports standard HTML form file uploads.
The official jQuery user interface library.