CAS clients allow your application interface with CAS. There are a number of CAS clients written in a variety of languages. Below you will find a listing of articles explaining how to install and configure some of the most commonly used CAS clients. Additional documentation as well as detailed explanations of additional configurations have been published by Jasig/Apero
phpCAS – PHP based CAS client
mod_auth_cas – CAS client for Apache
Java CAS Client – CAS client for Java (Valve and web.xml methods)