flatpak remote
also: Flatpak repository
A remote repository server that hosts Flatpak applications, configured locally so users can browse, install, and update applications from that source.
A Flatpak remote is a curated repository server containing packaged applications in Flatpak format. Each remote is identified by a name (like flathub) and has a URL pointing to its server infrastructure.
You can list configured remotes with flatpak remotes, add new ones with flatpak remote-add, and remove them with flatpak remote-delete. For example: flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
The most common remote is Flathub, the official community repository containing thousands of applications. Organizations can also host private remotes for internal applications or specific use cases.