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.
Finally posted my write-up on getting OpenBSD booting on my Chromebook:
"Liberating the ASUS CX1100CN Chromebook with OpenBSD"