Backbone supplies structure to JavaScript-heavy applications by providing models with key-value binding and custom events, collections with a rich API of enumerable functions, views with declarative event handling, and connects it all to your existing application over a RESTful JSON interface.

HTML Presentations

gMap is a lightweight jQuery plugin that helps you embed Google Maps into your website. With only 2 KB in size it is very flexible and highly customizable.

Sweet Just­ice is a Javascript li­bra­ry you can drop onto any web page to create be­auti­ful just­ified text. Even super­calif­ragilis­ticex­pealadoci­ous.

Reorder and filter items with a nice shuffling animation.

I disagree.

Bookmarked for future use. Haven't tested it yet.