jQuery Accessible-RIA
a collection of strictly WAI WCAG 2.0 and WAI ARIA conform web applications based on jQuery (using the UI Widget Factory). Currently a lightbox app, live form-validation, accessible tabs and sortable tables are ready to use. Released under MIT licence.
Master branch
jQuery 1.7.x (this branch currently includes 1.7.2)
jQuery UI 1.8.x (this branch currently includes 1.8.19)
Take a look in the Wiki:
http://wiki.github.com/fnagel/jQuery-Accessible-RIA