Unexpected Keyboard is good for quick typing:

https://f-droid.org/packages/juloo.keyboard2

There’s also URLCheck:

https://f-droid.org/packages/com.trianguloy.urlchecker

I think this is the only right answer. They try to provide the same interface which works for the most people.

MiXplorer has a nice reader.

Sorry, could have formulated it better. Hetzner did. I’m a happy customer of Linode. It seems they all have filters failing in different ways.

I tried them, but got basically the same treatment as OP with Linode. They just closed my account.

I used to use BasKet (a KDE program) for this, don’t know if it is still alive.

Does DecSync CC work for you? (org.decsync.cc.apk)