Hi, I am Johannes, podcaster, Esperanto speaker, musician, hacker, traveler ... My bread winning job is material engineer.

For an overview what I am doing see

On I toot about stuff that is related to hacking, CCC, internet, internet politics. My main language here is German, but sometimes I also toot in English.

Sign in to participate in the conversation - because anarchy is much more fun with friends. is a small Mastodon instance for and by the Chaos community surrounding the Chaos Computer Club. We provide a small community space - Be excellent to each other, and have a look at what that means around here.
Follow @ordnung for low-traffic instance-related updates.
The primary instance languages are German and English.