There's a chemistry tree.

Looks like good fun, and the data that makes up the genealogy is shared under a CC-BY license (bulk data export requires contacting the site admin), but I have found no mention of the license for the code of the website/project.

Their FAQ is very informative.

Gitea is great. So is Codeberg. The ability to share repos, issues, and users across Gitea instances, would be awesome.

Git itself is already federated and decentralised, but there is still a need for federation of the remote repo and its facilities.

The idea of some sort of federation between Gitea instances has been around since 2016.

• https://forgefriends.org/blog/2021/11/22/what-is-forgefriends/
• https://social.gitea.io/@gitea/1075767916260526973
• https://forum.forgefriends.org/t/nlnet-grant-application-for-federation-in-gitea-deadline-october-1st-2021/354
• https://forum.forgefriends.org/t/forge-federation-webinar-january-19th-2022-10am-noon-utc-1/538#a-10000-feet-view-of-problems-with-forge-silos-and-their-solutions-4
• Software Forge performance index (maintained by SourceHut)