F-Droid, installable catalogue of FOSS Android apps:

F-Droid, installable catalogue of FOSS Android apps:
* https://f-droid.org
* https://fdroidstatus.org/status/fdroid
* https://gitlab.com/fdroid
* https://github.com/f-droid (mirror)
* Running on old Android versions, direct download of old APKs: https://f-droid.org/en/docs/Running_on_old_Android_versions/
* How to browse archive repos? https://forum.f-droid.org/t/how-to-browse-archive-repos/13309 | An unofficial web interface is available, https://apt.izzysoft.de/fdroid/?repo=archive