For my phone I’m using Amaze, for my Tablet Ghost Commander becuase of its “Ability to copy and move files between its two panels”.

In addition to Fairphone and Shiftphone, there is also Volla Phone.

Their self description: “Volla Systeme is an independent, German manufacturer of smartphones, optionally with its own Android operating system Volla OS or the mobile Linux distribution Ubuntu Touch. Volla OS is characterized by uncompromising data protection and a uniquely intelligent operating concept.”

If I understand correctly, Hypatia will continue with a new maintainer and is now in the Izzy repo