Something worth noting is that F-Droid is both an app to download other apps but they also maintains a repository of apps. You can use alternative store apps (like Droid-ify) with the F-Droid repository OR you could use the F-Droid app with a different repository (like IzzyOnDroid). You can mix and match to meet your needs.
I use the Droid-ify app with the F-Droid, IzzyOnDroid, microG, NewPipe, and Collabora repositories.
Once you start down this rabbit hole, give Obtanium a look.
I second Izzy, add:
I use iOS now though had f-droid installed on my old android phones :)
Does anyone have a good foss ebook and pdf reader?
Thanks!
Don’t forget to add the New pipe repo!
NewPipe Sponsorblock repo from Izzy:
https://apt.izzysoft.de/fdroid/index/apk/org.polymorphicshade.newpipe
What kinda good stuff is on F Droid they the average User might want?