I have a Kobo with KOReader installed and Calibre with the DeDRM plugin for managing eBooks and it’s pretty great! It’ll open just about anything you throw at it and is pretty customizable.

Also please begin the Github page or whatever with a description of what the app is actually for or what it does. I know that sounds super obvious, but the number of times I’ve seen links that are like “I made this app from scratch for fun, let me know what you think!” and then you click through and the app is called Scrooblarr or something and it has no indication of what it actually does is… more than it should be.

There’s one either side!

Edit: also, I’m at “Newborn Paranoid” and definitely feeling the pull towards tech paranoid. Writing this on Librewolf in Arch (btw) lol.