Flatpak: http://docs.flatpak.org/en/latest/basic-concepts.html http://docs.flatpak.org/en/latest/basic-concepts.html and http://docs.flatpak.org/en/latest/under

Flatpak: http://docs.flatpak.org/en/latest/basic-concepts.html http://docs.flatpak.org/en/latest/basic-concepts.html and http://docs.flatpak.org/en/latest/under-the-hood.html http://docs.flatpak.org/en/latest/under-the-hood.html Snap: https://docs.snapcraft.io/snap-format https://docs.snapcraft.io/snap-format and https://docs.snapcraft.io/snap-confinement https://docs.snapcraft.io/snap-confinement AppImage: https://github.com/AppImage/AppImageSpec/blob/master/draft.md https://github.com/AppImage/AppImageSpec/blob/master/draft.m... If you're looking for something else, please say so and I'll try to find the right information.