Whoa, yeah, F-Droid is perhaps the biggest FOSS Android app market, an alternative to the Play Store. I suggest navigating through it using Droid-ify. Enable visibility of all repositories in the top-right corner to be able to see more apps. Even Bitwarden has an official presence in F-Droid to accommodate Play Store avoiders, etc.
Did you put in a request for this? And sure, I’m always interested in seeing how others use it—especially to complex levels.