F-Droid is an app store for Android where only open source applications are available for free. It provides an alternative to the proprietary Google Play Store, which is where most Android app distribution currently takes place. Because the Google Play Store is where most users go to find and instal...
F-Droid is the single biggest reason that Android is actually usable. And the only real reason Google aren't getting sued for monopoly practices. If only ReplicantOS was more viable
Another reason to check out eOS. F-Droid is a standard source for the default app store, along with the usual play store apps. I just got a Fairphone 5 last week, an installed eOS. I'm loving it so far.