Freeciv: Workstation, Turn-Based Strategy, Personal Computer, Proprietary Software, Civilization II, GNU General Public License, Operating System

Asterisk (PBX): Software, Mark Spencer (computer engineer), GNU General Public License

QtiPlot: Computer Program, Origin, SigmaPlot, OpenGL, GNU General Public License, Free Software

Aeolus (Software): GNU General Public License, Freie Software, Pfeifenorgel, Rechenmodell, Werckmeister Stimmung, JACK

XWiki: GNU Lesser General Public License, Enterprise Wiki, Application Wiki Software, Jakarta Velocity