nix?

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.

https://gitlab.com/simple-nixos-mailserver/nixos-mailserver

cracked it for me

me too