This is the Debian GNU/Linux packaged version of the program gltron. The developer of this software is Andreas Umbach . It was put together by Raphael Bossek and Gregory J. Oschwald from the following sources: http://prdownloads.sourceforge.net/gltron/gltron-0.61-source.tar.gz Copyright: This software is released under the terms of the GNU General Public License. On Debian systems, the complete text of the GNU General Public License can be found in /usr/share/common-licenses/GPL.