Cross-browser CSS3 animations. Plug and play. Do a little dance.
Sentry is a realtime error logging and aggregation platform
Scriptable Headless WebKit
Bluebird is a full featured promise library with unmatched performance.
The streaming build system
A modern, HTML5-ready alternative to CSS resets (as used by Twitter Bootstrap, HTML5 Boilerplate, TweetDeck, Soundcloud, and many others).
the last carousel you'll ever need
Simplified HTTP request client.
Async utilities for node and the browser
A datepicker for @twitter bootstrap forked from Stefan Petre's (of eyecon.ro), improvements by @eternicode
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.
Bootstrap 3 components built with React