AppImages are designed to be simple. Download one, make it executable and run it. On Ubuntu, though, there’s an extra step: Ubuntu ships FUSE 3 by default, but some AppImages still need FUSE 2 (libfuse2t64) to run. AppManager is a new(ish) GTK4/Libadwaita app which fixes that particular annoyance by mounting AppImages through uruntime instead of FUSE. It handles the usual SquashFS-packed AppImages, plus the newer DwarFS-packed ones too. Double-click an .AppImage file and AppManager opens a macOS-style install flow. Drag the app icon to the folder and AppManager moves the file to ~/Applications, or a directory you choose, and creates the app launcher and shortcut […]

You’re reading AppManager installs AppImages on Ubuntu without needing FUSE, a blog post from OMG! Ubuntu. Do not reproduce elsewhere without permission.