GeoGebra Language Files License

Copyright 2001-2007 Markus Hohenwarter, markus@geogebra.org

All GeoGebra language files (*.properties files) are subject 
to the following Creative Commons Attribution-NonCommercial-NoDerivs 3.0 
License:

You are free to copy, distribute and transmit GeoGebra language files 
free of charge under the following conditions:
 * Attribution. You must attribute the work
     (i.e. by linking to http://www.geogebra.org/)
 * NonCommercial. You may not use this work for commercial purposes 
     without permission of Markus Hohenwarter (markus@geogebra.org).
 * No Derivative Works. You may not alter, transform, or build upon 
     this work.

The Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License 
can be found at: http://creativecommons.org/licenses/by-nc-nd/3.0/

Translations
 Translations of GeoGebra installers, language files or documentation 
 files are only allowed with permission of their respective authors. 
 Resulting translations are subject to the same copyright as the 
 original work (i.e. copyright of the original authors and Creative 
 Commons Attribution-NonCommercial-NoDerivs license). 
 The translators have the right to be attributed by name and contact 
 address in their translated work. Furthermore, translated GeoGebra 
 documentation files may not be used for commercial purposes without 
 permission of the original authors and the respective translators.

***

Note concerning GeoGebra GNU GPL source code license:

GeoGebra's source code is licensed under GNU GPL and fully
functional without these language files. The language files
are a plugin for GeoGebra under the abovementioned CC license.