[list][*]Markus Hohenwarter (2001- )[*]"You are free to copy, distribute and transmit GeoGebra for [b]non-commercial purposes[/b]."[*]The source code is licensed under the GNU General Public License.[*]Desktop, HTML5, ChromeApp, Tablet(iOS, Android), [Mobile], Microsoft Word, Moodle, GeoGebraBook, ...[/list]