Zepto.js : Zepto is a minimalist JavaScript library for modern browsers with a largely jQuery-compatible API. If you use jQuery, you already know how to use Zept...
Moment.js : A javascript date library for parsing, validating, manipulating, and formatting dates.
Frappe Charts : GitHub-inspired simple and modern charts for the web with zero dependencies.
Dropzone.js : DropzoneJS is an open source library that provides drag'n'drop file uploads with image previews.
swfobject : SWFObject 2 offers two optimized Flash Player embed methods; a markup based approach and a method that relies on JavaScript & offers a JavaScript API ...
Namespace.js is a small javascript script which provide namespacing utilities. It is framework independent. It also allows you to remotely include files.