All projects

I develop open-source software and produce instructional videos focused on recreational programming, all offered at no cost.

A competitive matchmaking and stat-tracking platform for the melee slasher game Mordhau

My blog snrk.de is about Henry Holiday's illustrations to Lewis Carroll's tragicomedy "The Hunting of the Snark" (1876).

Demokratie braucht Information, und die wollen wir für Währing liefern. Parteifrei, gut recherchiert und sauber präsentiert.

Creator of StreetComplete and related free and open source libraries