If credit is not required, looks like a public domain thing. CC0 [1] is one, there are also some other public domain licenses [2]. [1]: https://creativecommons

If credit is not required, looks like a public domain thing. CC0 [1] is one, there are also some other public domain licenses [2]. [1]: https://creativecommons.org/publicdomain/zero/1.0/ https://creativecommons.org/publicdomain/zero/1.0/ [2]: https://choosealicense.com/appendix/ https://choosealicense.com/appendix/