Oracle Accessibility Program - General information about accessibility at Oracle. Click Database Products or Open all and locate the relevant version of Application Express.
Plug-ins for Application Express - Plug-ins developed by the Application Express team for use in your apps, such as the Simple Checkbox plug-in for an accessible single-option check box.
Universal Theme Sample App - Sample app hosted on apex.oracle.com with information about Universal Theme, including a Migration Guide to move from older themes.
Understanding WCAG 2.0 - A guide to understanding and implementing web apps to the WCAG 2.0 set of guidelines.