Flatpak fans will want to check out Warehouse. Warehouse is new GTK4/libadwaita tool that makes it easy to manage Flatpak apps and Flatpak remotes (e.g.,
Sorry, I am too much of a KDE user to answer that question. In Discover you can add, remove, and order remotes via settings in the GUI. I'd assume it would be the same in Gnome Software, but I might assume wrong. If your distro does not ship it by default, you'll need to install a plugin.
As far as my experience goes, all you can do with Gnome Software is to install and uninstall software from various sources which need to be added separately. There's no option to manage any remotes/sources even with flatpak support installed. I hoped to be proven wrong.
How do you manage flatpak remotes with Gnome Software?
Sorry, I am too much of a KDE user to answer that question. In Discover you can add, remove, and order remotes via settings in the GUI. I'd assume it would be the same in Gnome Software, but I might assume wrong. If your distro does not ship it by default, you'll need to install a plugin.
As far as my experience goes, all you can do with Gnome Software is to install and uninstall software from various sources which need to be added separately. There's no option to manage any remotes/sources even with flatpak support installed. I hoped to be proven wrong.