https://github.com/hackmdio/CodiMD for me is the genuine oss app with the real talent behind it and hedgedoc a controversial fork iterating on an older version

I hope NixOS gets added.

+1 for NixOS. My desire to have a reproduceable system got me to this and does just the job for me.

I like DeltaChat but FairEmail won out for me.

agreed, if I didn’t trust the encryption, I would not use it. I am fine with bitwarden hosting my encrypted passwords, the store is accessible locally on each device, and I can self host with vaultwarden if bitwarden pull the free service. The features in bitwarden are good and sufficient, less awkward than alternatives I have tried.