Gitlab is working on federation, or they at least have an open issue about it.[1] Meanwhile there is a federated git as a reference implementation called Forge

Gitlab is working on federation, or they at least have an open issue about it.[1] Meanwhile there is a federated git as a reference implementation called Forgefed.[2] 1. https://gitlab.com/gitlab-org/gitlab/-/issues/6468 https://gitlab.com/gitlab-org/gitlab/-/issues/6468 2. https://forgefed.peers.community/ https://forgefed.peers.community/