Ive had some good experience with filestash but recently they swapped to collabora which brought me a host of headaches.

The Dev is awesome though.

I doubt it, why dont you have sudo?

https://github.com/gtsteffaniak/filebrowser

File browser Quantum is the shiny feature rich fork!

I have also used filestash with some success

Here’s a faster easier option!

1. Press and hold the icon until it shakes
2. Click uninstall