Arvind Gupta
Ajaxify your site out of the box, instantly.
Darcy Clarke
A jQuery plugin for watching CSS property or element attribute changes.
Are You Sure? – a dirty forms check plugin
Chris Dance (codedance) at PaperCut Software
Are-you-sure is simple light-weight dirty forms JQuery Plugin for modern browsers. It helps prevent users from loosing unsaved form changes by prompting the user to save/submit. It's dependency free and designed for modern browsers... just the features you need and nothing more! See the project page and demo for usage and examples.