Cas is a project mainly written in RUBY and SHELL, based on the View license.
Portions contributed by Matt Zukowski are copyright (c) 2010 Urbacon Ltd. Other portions are copyright of their respective authors.
See http://github.com/gunark/rubycas-server/commits/
For info and detailed installation instructions please see http://code.google.com/p/rubycas-server
RubyCAS-Server is licensed for use under the terms of the MIT License. See the LICENSE file bundled with the official RubyCAS-Server distribution for details.