Visual voicemail

Uber? What do you use for rides?

Xplore file browser

It's trivial to replace the independent pieces of xplore, but it has so many features in one app that I just can't let it go. It's got dual pane file browsing, disk usage chart, smb, ftp, and many other cloud storage connections. It also handles many types of compression.

It's become my main offline music player as well, because it has the simple ability to shuffle a folder of music, which is all I really need.

It can also view installed apps, export them to apk, and view and modify appdata (as non root!).

Sailforms Android app!

https://groups.google.com/g/sailforms-users

Use like 12 years for keeping track of lots of personal stuff. It's a generic database / table / forms app that's very powerfull. Buttons, queries, reports, calculated fields etc.

But: the app developer stopped despite a rather enthusiastic community. Now it isn't even on the Play Store anymore and I guess everybody must have an exit strategy.

https://play.google.com/store/apps/details?id=com.chimbori.hermitcrab

Readably

No RSS reader is quite like it.

Synfonium

Best music player out there.

SMS Backup & Restore? Unless there is an alternative that I'm missing? Play store link

Why is there not an app that tells you which grocery stores have the best prices? I should be able to give it a list and it'll tell me where to buy each item.

An equivalent to iOS Shortcuts for Android and Linux.

I would really want to have a really good open source SFTP (SSH File Transfer Protocol) app, with good secure key management and excellent transfer performance. So far, I haven't found any such app.

FLOSS Shazam? I really love discovering music when I travel, but I see no open source version of it.