Here is A list of server known to run flohmarkt

Yes, it still largely works, but the web front end is broken. It works via apps or alternative frontends, for example: https://alexandrite.app/feddit.de

The main admin of feddit.de travelled abroad a few months ago and has since disappeared . The other mods couldn’t fix the errors because they don’t have the password for the server administration.

However, many communities have already moved to feddit.org because it is not foreseeable whether feddit.de will work again.

This is how it looked:

github

I would suggest Codeberg: “Codeberg is a collaboration platform providing Git hosting and services for free and open source software, content and projects”