Quote:
Originally Posted by Quoth
No, AppImage is commonly a website download, not something managed by a package manager, like deb or rpm which is in a repository.
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There are community repositories that centralize AppImage downloading and handle update notifications and the like. Not everybody uses them, but some do. As well as common tools for "installing" appimages and managing desktop integration. But you're correct that there's no package manager
required to run an AppImage.
Calibre is already essentially an AppImage in my opinion. It installs itself in /opt (with all the dependencies needed to work on just about any Linux system) and then a few symlinks to binaries are created in /usr/bin, as well as some stuff to accommodate desktop integration. It's just not all mashed into single squashfs entity like Appimages are. That's why the third-party calibre AppImage is so easy to create. They extract the official calibre download, add a .desktop file, an icon, and an AppRun file and squash it all into an AppImage.