Essentially the anti-Play Store, F-Droid is a volunteer-run catalog of free and open-source apps that are built from source, ...
F-Droid has been around for about 15 years and is the largest source of free and open source software (FOSS) for Android.
You'll find various versions of Ultimate Edition Arch Linux for different needs - gaming, development, older hardware, and even a minimal installation. Here's where the distro really shines.
F-Droid has warned against Google's new developer verification rules, saying they could kill sideloading and alternative app stores.