weirdr.net 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.
I'll take Wayland when it comes my way without me having to lift a finger, but until then I'm glad the X Window System is still around. Keeps this old hardware useful.