= License =

== GNU GPL ==

All source code of Orxonox is licensed under the '''GNU GPL v2'''. All code and libraries we use and link our project with have to be released under a similar license which assures the same rights.

 * [http://www.gnu.org/licenses/old-licenses/gpl-2.0.html License Text in English]
 * [http://www.gnu.de/documents/gpl-2.0.de.html License Text in German]

As a user you are allowed to download, use and distribute our code for free without restrictions. As a developer, you are required to release your code under the same license or a compatible one, if you use our code in one of your projects, which you release. For more specific information check out the [http://www.gnu.org/licenses/old-licenses/gpl-2.0-faq.html GPL FAQ].

== Creative Commons ==

All content (except for the source code) of Orxonox is licensed under the '''Creative Commons Attribution-Sharealike 2.5 license'''. Content from other sources needs to be under a license which assures the same (or more) rights.

 * [http://creativecommons.org/licenses/by-sa/2.5/legalcode License Text]
 * [http://creativecommons.org/licenses/by-sa/2.5/deed.en Summary in English] 
 * [http://creativecommons.org/licenses/by-sa/2.5/deed.de Summary in German]

To sum it up, this means you are free to:
 * copy, distribute, display, and perform the work
 * make derivative works

You have to respect the following
 * Attribution: You must attribute the work in the manner specified by the author or licensor. 	
 * Share Alike: If you alter, transform, or build upon this work, you may distribute the resulting work only under a license identical to this one.
 * For any reuse or distribution, you must make clear to others the license terms of this work.
 * Any of these conditions can be waived if you get permission from the copyright holder.