What Is Flatpak?


Flatpak is a software deployment and package management system designed to simplify the distribution of applications across different Linux distributions. This technology aims to provide a streamlined, efficient, and secure way to distribute applications on Linux, and it has become increasingly popular in recent years as more users have sought an easier way to manage their software. In this article, we will explore what Flatpak is, how it works, and its benefits and drawbacks.

What is Flatpak?

Flatpak is an open-source software delivery and sandboxing system developed by the GNOME project. It is similar in concept to other package managers like apt, yum, or pacman, but instead of managing packages on a per-distribution basis, Flatpak aims to provide a universal packaging format that works on any Linux distribution.

Flatpak allows developers to package their applications and dependencies into a single bundle that can be easily distributed and installed on any Linux distribution, regardless of its version or packaging system. This system helps to avoid the fragmentation and incompatibilities that often arise from trying to build and distribute software across different Linux distributions.

Flatpak uses a container-based approach to isolate applications and their dependencies from the host system. Each application runs in its own sandboxed environment, with its own set of libraries and dependencies. This sandboxing helps to improve security, as it prevents applications from interfering with each other or with the host system.

How does Flatpak work?

Flatpak packages consist of a manifest file that describes the application and its dependencies, along with a set of runtime files that provide a sandboxed environment in which the application can run.

Flatpak packages are installed using a tool called Flatpak. The Flatpak tool communicates with a remote repository of available packages, which can be a public repository hosted by a third-party, or a private repository managed by the user or organization.

When the user installs a Flatpak package, the runtime environment is downloaded and installed, along with the application and its dependencies. The application then runs in its own sandboxed environment, isolated from the host system and other applications.

Flatpak supports automatic updates, which means that applications installed via Flatpak will be kept up-to-date automatically as new versions become available.

Advantages of Flatpak

Flatpak has several advantages over traditional package management systems. Here are a few key advantages:

  • Consistent user experience: Flatpak ensures that applications behave consistently across different distributions and versions of Linux. This means that users can expect the same behavior and functionality regardless of which Linux distribution they are using.
  • Sandboxing: Flatpak applications are run in a sandboxed environment, which means they are isolated from the rest of the system. This provides an extra layer of security, as applications can’t access files or system resources they don’t need.
  • Version independence: Unlike traditional package management systems, Flatpak doesn’t rely on system libraries. This means that applications can include their own versions of libraries, ensuring compatibility with older versions of the system and providing a consistent experience across different Linux distributions.
  • Ease of installation: Flatpak applications can be installed with a single command, making the installation process simple and straightforward for users.
  • Automatic updates: Flatpak applications can be automatically updated by the system, ensuring that users always have the latest version of their applications.
  • Flexibility: Flatpak can be used to distribute applications that are not available in the repositories of a particular Linux distribution. This allows users to easily access software that might not otherwise be available on their system.

Disadvantages of Flatpak

While Flatpak offers many advantages, there are also some potential downsides to consider:

  • Increased disk space usage: Because Flatpak applications include their own libraries, they can be larger than traditional applications. This can lead to increased disk space usage.
  • Increased memory usage: Because Flatpak applications include their own libraries, they can use more memory than traditional applications.
  • Dependency management: Flatpak applications can include their own versions of libraries, which can lead to conflicts and dependency issues.
  • Reduced performance: Running applications in a sandboxed environment can lead to reduced performance, as they are not able to access system resources directly.

How to use Flatpak

Using Flatpak is fairly straightforward. Here are the basic steps:

  • Install Flatpak: The first step is to install Flatpak on your system. This can usually be done through your distribution’s package manager.
  • Add a repository: Once Flatpak is installed, you’ll need to add a repository that contains the applications you want to install. This can be done using the flatpak remote-add command.
  • Install an application: Once you’ve added a repository, you can use the flatpak install command to install an application. For example, to install the GIMP image editor, you would run flatpak install org.gimp.GIMP.
  • Run an application: Once an application is installed, you can run it using the flatpak run command. For example, to run GIMP, you would run flatpak run org.gimp.GIMP.
  • Update an application: To update an application, you can use the flatpak update command. This will check for updates to all installed applications and update them as necessary.
 For more info, SEE: How to Use Flatpak


Flatpak is a relatively new technology that offers a number of advantages over traditional package management systems. By providing a consistent user experience, sandboxing applications, and ensuring version independence, Flatpak makes it easier for developers to distribute their applications to Linux users. While there are some potential downsides to consider, the benefits of Flatpak make it a technology worth exploring for anyone who wants to use or distribute Linux applications.

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