Users can install a lot of Applications in the User-Environment by themself from FlatHub.
Before installing an App from FlatHub. You are responsible for the installed App.
flatpak remote-add --user --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
Simple installation by clicking the “Install”-Button does not work.
Choose “Manuial Install” and copy the flatpak install command to a terminal. Make sure you add –user
.
flatpak install --user flathub md.obsidian.Obsidian