1. jQuery BBQ
jQuery BBQ leverages the HTML5 hashchange event to allow simple, yet powerful bookmarkable #hash history. In addition, jQuery BBQ provides a full .deparam() method, along with both hash state management, and fragment / query string parse and merge utility methods.
http://benalman.com/projects/jquery-bbq-plugin/
2. sammy.js
You’ve been seeing it for a while now with Google’s Reader, Gmail, and most recently, on Facebook. Probably, you, too, would like to write RESTful evented JavaScript applications. Well, fellow developers, meet Sammy.js, a tiny JavaScript framework built on top of jQuery. Sammy utilizes the URL hash (#) to allow you to create single page AJAX applications that respond to your browser’s back button. Interested?
In this article, I’ll be providing a short overview of the framework, and then a brief demonstration of what it’s like working with Sammy.js, with the hope of enticing you enough to consider it for your projects.
http://net.tutsplus.com/tutorials/javascript-ajax/quick-tip-an-introduction-to-sammy-js/
