Mumble uses Qt libraries that are use the following licenses:

- GPL V3: https://www.gnu.org/licenses/gpl-3.0.en.html
- LGPLV3: https://www.gnu.org/licenses/lgpl-3.0.en.html
- LGPGL V2.1: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html

For more information please read:
- https://www.qt.io/licensing/
- https://www.qt.io/faq/
