## License

This work is licensed under multiple licences. Because keeping this section
up-to-date is challenging, here is a brief summary as of February 2023:

- All original source code is licensed under GPL-3.0-or-later.
- All documentation is licensed under CC-BY-SA-4.0.
- Some configuration and data files are licensed under CC0-1.0.
- Some code borrowed from
  [spdx/tools-python](https://github.com/spdx/tools-python) is licensed under
  Apache-2.0.

For more accurate information, check the individual files.
