Humanize
A simple utility library for making the web more humane. #hubspot-open-source
Content Tools
A JS library for building WYSIWYG editors for HTML content.
Device.js
Device.js makes it easy to write conditional CSS and/or JavaScript based on device operating system (iOS, Android, Blackberry, Windows, Firefox OS), orientation (Portrait vs. Landscape), and type (Tablet vs. Mobile).
Flotr2
Graphs and Charts for Canvas in JavaScript.
jQuery Number
Easily format numbers for display use. Replace numbers inline in a document, or return a formatted number for other uses.
Angular Tooltips
Angularjs tooltips module, add tooltips to your elements
Venus.js
where bugs go to die
Speakingurl
Generate of so called "static" or "nice-looking" or "slug" or "SpeakingURL" from a string.
Sound Manager 2
A JavaScript Sound API supporting MP3, MPEG4 and HTML5 audio + (experimental) RTMP, providing reliable cross-browser/platform audio control in as little as 10 KB. BSD licensed.
Scroll Trigger
Triggers classes on html elements based on the scroll position. Uses requestAnimationFrame so it doesn't jack the users scroll.
Prime
an OOP javascript library for node.js and the browsers
Poly
Small, fast, awesome. The only ES5-ish set of polyfills (shims) you can mix-and-match because they're individual AMD modules.
Overmind
Overmind - Frictionless state management
Morpheus
A Brilliant Animator
Min Pub Sub
198 byte publish/subscribe messaging micro-framework
Golden Layout
The ultimate Javascript layout manager
Frame Player
A video player without video files, just JSON. Based on 'images frames' thought to mobile devices!