Description:

CAS is an authentication system originally created by Yale University
to provide a trusted way for an application to authenticate a user.
CAS became a JA-SIG project in December 2004.

CAS provides enterprise single sign on service. It features:

- An open and well-documented protocol
- An open-source Java server component
- A library of clients for Java, .Net, PHP, Perl, Apache, uPortal and
others
- Integrates with uPortal, BlueSocket, TikiWiki, Mule, Liferay, Moodle
and others
- Community documentation and implementation support
- An extensive community of adopters