If you're looking to break away from third-party file and directory storage, this model from Terramaster checks most boxes for me.

Cloud storage has shifted from a nice-to-have to a basic utility, and the best apps now blend backup, collaboration, and ...

Portable and modular, Orbitiny runs on top of your existing window manager - such as KDE Plasma or GNOME - like a regular app.

Linux may be better than Windows in many ways, but file management isn't one of them. And it's all thanks to third-party developers.