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.
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