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    Flatpak is a solution for creating sandboxed software builds for GNU/Linux systems. You can find more information here. To learn about creating flatpaks, see our flatpak tutorial.

    KDE Apps on Flathub

    We are building release versions of most KDE applications and distributing them on Flathub.

    The "app store" or software center in many distributions (usually Discover on KDE Plasma) is able to install Flatpaks. You can follow the Flathub guide to setup Flatpak and Flathub on your system.

    You can then search for a KDE application and it should offer to install the Flatpak version.

    You may also directly open the flatpakrepo file with Discover or your otherwise favorite software center.

    Here's how to install a Flatpak application from the terminal:

    flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
    flatpak install flathub org.kde.okular

    Using Flatpak Applications

    Once a flatpak package is installed, it can be run with

    flatpak run org.kde.okular

    and be updated to the latest version with

    flatpak update org.kde.okular

    Nightly KDE Apps

    We are also building "nightly" versions of most KDE applications and distributing them at cdn.kde.org/flatpak. Nightly versions build the latest source code of the application, so expect some unstable development quirks; on the bright side, if you find one, you get to tell the developers so they can fix it!

    Every app has it's own flatpak repository usually named <appname>-nightly. For every app there is a flatpakref file (<appid>.flatpakref) which you can easily download and open with your software center for installation.

    It is also possible to install the app from the terminal:

    flatpak install https://cdn.kde.org/flatpak/org.kde.kalzium.flatpakref