gyptazy.ch is a Fediverse instance that uses the ActivityPub protocol. In other words, users at this host can communicate with people that use software like Mastodon, Pleroma, Friendica, etc. all around the world.
This server runs the snac software and there is no automatic sign-up process.
Just got back from the local #tdose conference. I might have gone a bit overboard in preparing some #sxmo material to go in style. Fellow mobile linux project #ubports had a nice stand and #nlnet had lots of stickers to share, including a #postmarketos one.