AppImageKit is described as 'Using AppImageKit you can package desktop applications as AppImages that run on common Linux-based operating systems, such as RHEL, CentOS, Ubuntu, Fedora, Debian and derivatives' and is an app in the development category. There are more than 10 alternatives to AppImageKit for a variety of platforms, including Linux, Mac, Windows, Web-based and BSD apps. The best AppImageKit alternative is Flatpak, which is both free and Open Source. Other great apps like AppImageKit are Flathub, Zero Install, Snapcraft and Souk.
Distributing applications on Linux is a pain: different distributions in multiple versions, each with their own versions of libraries and packaging formats. Flatpak is here to change all that. It allows the same app to be installed on different Linux distributions, including...
It can be installed simply on any GNU/Linux systems. Not just executable, it is installable.
Flathub is the place to get and distribute apps for all of desktop Linux. It is powered by Flatpak, allowing Flathub apps to run on almost any Linux distribution.
Zero Install is a decentralised cross-distribution software installation system. Other features include full support for shared libraries, sharing between users, and integration with native platform package managers.
Snaps are software packages that are simple to create and install. They auto-update and are safe to run. And because they bundle their dependencies, they work on all major Linux systems without modification.
The only server for Snapcraft is the Snap Store, which is closed source and owned by a single company (Canonical). AppImages can be hosted on any server, and are not tied to any one company.
It works perfectly on all Linux distributions and all desktops (GNOME, KDE, etc.)
rkt is the next-generation container manager for Linux clusters. Designed for security, simplicity, and composability within modern cluster architectures, rkt discovers, verifies, fetches, and executes application containers with pluggable isolation.
It will help you install Flatpak apps in a user-friendly way. We have recipes for some of them to install them even better.
Get free and paid apps on AppCenter, the open, pay-what-you-can app store for indie developers.
Shradiko is a tool for making portable AppImages from distro packages. Currently, it only supports DEB packages.
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Also works well on all Linux distributions, but easier to manage apps like GNOME Software or the Flatpak command line interface.