And it can run on a Raspberry Pi! The DB can be hosted in SQLite (the default) or Postgres, as opposed to Bitwarden which requires MSSQL, which is not compiled for ARM.
I am not well-versed on self hosting but interested in doing it. If I run Bitwarden on a Raspberry Pi and if the Pi breaks (let's say it completely stops working), will the passwords be unrecoverable?
You'd still have a copy of the database on any device that was running the client.
Second this. Also has a Real nice community and a matrix channel where people will help you out