KitchenOwl, and a Matrix server and Element web interface.
this reads like a joke, it’s so far from what i see from germans and germany.
I live in the EU and I even wish for a bit more aggressiveness regarding laws like this. It’s a very slow moving machine, but I feel like it does have the ability to create change.
KeePassXC (windows/macos/linux), KeePassDX (android) are what I use. I sync the databases between 4 devices with Syncthing.