stream.js : stream.js is a tiny stand-alone Javascript library that unlocks a new data structure for you: streams.
Ember.js : A JavaScript framework for creating ambitious web applications
Slate : Slate is a completely customizable framework for building rich text editors.
Slate lets you build rich, intuitive editors like those in Medium, Dropbo...
loglevel : Minimal lightweight logging for JavaScript, adding reliable log level methods to wrap any available console.log methods
dancer.js : dancer.js is a high-level audio API, usable with both Mozilla's Audio Data API and Webkit's Web Audio API with flash fallback, designed to make sweet ...
Add Clippy or his friends to any website for instant nostalgia.