The boot logo for GNUBoot is copyright 2023 Jason Self and released under
[the CC-0 license](https://creativecommons.org/publicdomain/zero/1.0/legalcode).

The grey backgrounds with it were made by Adrien 'neox' Bourmault in
2023, and are also released under [the CC-0
license](https://creativecommons.org/publicdomain/zero/1.0/legalcode).