scrcpy mirrors Android devices (video and audio) connected via USB or TCP/IP and allows control using the computer's keyboard and mouse. It does not require root access or an app installed on the device. It works on Linux, Windows, and macOS.

https://f-droid.org/de/packages/com.oasisfeng.island.fdroid/ Isolate Apps

https://github.com/koreader/koreader?tab=readme-ov-file e-Reader for eInk Tablets

https://f-droid.org/packages/tribixbite.cleverkeys/ Open-source gesture keyboard

https://f-droid.org/packages/io.github.micw.openphotoframe/ OpenPhotoFrame is a free, open-source slideshow app that syncs photos from your private cloud (Nextcloud) or local storage

https://f-droid.org/packages/co.adityarajput.notifilter/ Silence annoying notifications

https://f-droid.org/packages/org.forkgram.messenger/ Forkgram is a fork of the official Telegram for Android application

https://f-droid.org/packages/app.comaps.fdroid/ - fork of Organic Maps