yea my bad, it looks open source :D

Then maybe I got confused sorry. Somebody mentioned it and then the post was saying it’s a service I thought it wasn’t open. Will check it properly later. Shouldn’t have spoke so quickly I guess

However it does not look like it is open source.

Isn’t that a (implementation) detail beyond the point of uselessness though? The big point for me is there. To keep it with the metaphor, that tree is also quite a complex structure, yet still useless.

Friendica, I believe, federates their groups. You can see them from mastodon as a user. I guess in AP vocabulary they are an actor. You can post to the group from mastodon too.