hunt : Library to detect when DOM elements become visible and disappear on scroll.
Protovis : Protovis composes custom views of data with simple marks such as bars and dots. Unlike low-level graphics libraries that quickly become tedious for vi...
jQuery Masonry : A dynamic layout plugin for jQuery
The flip-side of CSS floats
Push by Nickersoft : A compact, cross-browser solution for using the JavaScript Notifications API
css3-mediaqueries-js : make CSS3 Media Queries work in all browsers (JavaScript library)
JavaScript Libraries for adding offline support to web apps.