The HTML5 Shiv : The HTML5 Shiv enables use of HTML5 sectioning elements in legacy Internet Explorer and provides basic HTML5 styling for Internet Explorer 6-9, Safari...
Uppy File Uploader : Uppy is a sleek, modular file uploader that integrates seamlessly with any application. It’s fast, easy to use and lets you worry about more important...
Ember.js : A JavaScript framework for creating ambitious web applications
Sammy is a tiny javascript framework built on top of jQuery, It's RESTful Evented Javascript.