Foobar unfortunately is closed source, which OP has mentioned as a requirement.

But agreed, it’s so good I use it on Linux through wine, despite many alternatives

Thanks for the PSA, I was about to go on a troubleshooting spree with Discord not using KDE’s file picker

You can download an APK from the F-Droid website

I think reusing server/client naming for USB connectivity instead of master/slave would fit it

This was a satire

It can’t say no either

Friendly reminder: Molex to SATA, Lose all of your data

Ngl I prefer said company app rather than “new” stuff which runs on Electron and breaks just from looking at it