While I’ve not personally used it, I’m happy with 1Password Teams, bitwarden has a pretty well received project. If you want self hosted teams, though, you will

While I’ve not personally used it, I’m happy with 1Password Teams, bitwarden has a pretty well received project. If you want self hosted teams, though, you will need to purchase a license (it’s one of their money makers, and I think that is completely fair). Most of their product is otherwise open, afaik.