Commit dfcf1e2d authored by Lorenz Meier's avatar Lorenz Meier

All authors with active code on master have agreed to add Apache 2.0 to the license mix

parent 54411cbe
# QGroundControl License
QGroundControl (QGC) is dual-licensed as Apache 2.0 and GPLv3. All contributions have to be made under both licenses (see [CONTRIBUTING](CONTRIBUTING.md)).
## Apache 2.0 License
The [Apache 2.0](http://www.apache.org/licenses/LICENSE-2.0) License is a permissive license which allows QGC to be built and used in any environment, including proprietary applications. It allows QGC to be built for mobile app stores. When building with Apache 2.0 a commercial Qt license is required.
## GPL v3 License
The [GPL v3 License](http://www.gnu.org/licenses/gpl-3.0.en.html) is a strong copyleft license. When building QGC under this license the open source version of Qt can be used. Our licensing grants the permission to use a later version of the license, however, contributions have to be made under 3.0.
## Contact
If you have questions regarding the licensing, please contact the maintainer Lorenz Meier, [lm@groundcontrol.org].
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