If you are interested in using the Galileo software, this web page tells you how to get more information.  There are three classes of users.  Each is treated differently.

For Non-Profit Research and Education Use: The University of Virginia will make Galileo available in executable form for non-profit research and education. For more information, please send a request to galileo-educational-licensing"at"cs.virginia.edu.

Government Use: The U.S. Government retains certain rights in the Galileo software developed at the University of Virginia. 

To inquire about U.S. Government use of Galileo, e-mail galileo-government-licensing"at"cs.virginia.edu.

Commercial Use: The University of Virginia Patent Foundation has licensed the exclusive rights to develop and market a commercial version of Galileo to Exelix, L.L.C., a Virginia Limited Liability Company.  For further information, contact Exelix.