Another interesting topic to look into is forge federation. Forgejo [0], the code forge on which Codeberg is based is one forge software that intends to federat

Another interesting topic to look into is forge federation. Forgejo [0], the code forge on which Codeberg is based is one forge software that intends to federate their repositories between server instances over the network using ActivityPub protocol extensions such as ForgeFed [1] and F3 [2] specifications. [0] https://forgejo.org https://forgejo.org [1] https://forgefed.org https://forgefed.org [2] https://lab.forgefriends.org/friendlyforgeformat https://lab.forgefriends.org/friendlyforgeformat