Welcome to boerdica.de!
This is just a small Friendica node for 1 person, (or maybe for some friends one day).
Registration is currently closed.
Friendica is a decentralized social network and part of the Fediverse. There are other networks, with which you can interact, like for example Mastodon, Diaspora, Pixelfed, Misskey, Peertube, Hubzilla etc..
If you want to find a server and register an account, you can look here: Fediverse Observer.