One more step to unhitching from Google…
Right now the only option I see in F-Droid is Aegis.
I’m not sure what to actually look for side from checking for unexpected permissions and reasonably frequent updates.
Hopefully something I can sync with a GNOME app…
But if they get your Bitwarden vault and crack it - they have everything Throw a roadblock in their way - use a separate app for OTP.