Oracle Application Express (APEX) is a rapid web application development tool integrated directly into the Oracle database. APEX is a completely web-based application featuring many ready to use components, allowing developers to build and deploy professional web applications rapidly. Using SQL and PL/SQL as the development language it provides a number of advanced features out of the box, including several authentication mechanisms such as Lightweight Directory Access Protocol (LDAP), Data Access Descriptors (DAD), Single Sign-On (SSO), authorization services, built-in session state management, and logging functionality.
Prototypes Scripty2, and MooTools.More.js extension, or integrate third-party unsupported widgets.
The notable exceptions here are the Yahoo! User Interface library (YUI) and Ext JS.