Excellent list! Does DavX5 support scheduled exports and backups? Here are some additions primarily from F-droid and Izzy:

• Quote Unquote: Excellent motivational/creative quotes app with a set of widgets.

• NetGuard: Local firewall you can use to deny apps internet access. Good for privacy and limiting data usage

• SD Maid 2/SE: Basically BleachBit Mobile--useful for managing storage.

• ExifEraser: detect and remove metadata from images.

• PipePipe: FOSS Android app to let you brose YouTube, NicoNico and BiliBili.

• FFUpdater: ensure you have the latest version of Firefox, along with certain other web browsers. Useful if you want the beta version of...

• Mull: Privacy-oriented, up-to-date fork of Firefox.

• BitWarden: Highly secure, open-source password manager and information organizer.

• Neo Backup: Open-source tool to backup your apps and data.

• NeverTooManyBooks: Keep track of your books and comics

• Irregular Expressions: Virtual keyboard for writing expressive messages in various text styles.

• Calculator++

• VLC Media Player

No? Most of my recommendations are popular shit I hate. How can I get more obscure recommendations?