Install
First, of course, you need to install Flatpak itself.
Then: * at least one repository * possibly a gui installer * an access rights management
Repository: Flathub
flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
GUI installers
- plasma-discover (qt, but not on flatpak)
- Warehouse (gtk)
- Easy Flatpak gtk?