Filezilla Flatpak

Initializing

git submodule update --init

Building

flatpak run org.flatpak.Builder build-dir --user --ccache --force-clean --install org.filezillaproject.Filezilla.json

Then you can run it via the command line:

flatpak run org.filezillaproject.Filezilla

or just search for the installed app on your system