Open source
The full source code of the Erde app is open. You can read, check, change and share it.
Licence
The app is licensed under the Apache 2.0 licence. The code is on GitHub.
Data and software used
The app builds on many open projects, including CesiumJS (3D globe), Capacitor (Android and iOS) and data from swisstopo, OpenStreetMap and Open-Meteo. The complete list with licences is in THIRD-PARTY.md.
Contributing
Bug reports, ideas and improvements are welcome, ideally as an issue or pull request on GitHub.