Flatpak Packages Page 28 of 34

Browse 829 Flatpak Packages on AlternativeTo.

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  1. Open Alert Viewer is a libre, open source app for system administrators and SREs that displays server and network alerts. It requires that the user has access to a compatible third-party back end, such as a Prometheus, Nagios or Icinga server.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Linux
    • Flathub
    • Flatpak
    • Android
    • Android Tablet
    Open Alert Viewer screenshot 1
    Open Alert Viewer screenshot 1
    Open Alert Viewer screenshot 2
    +5
    Open Alert Viewer screenshot 3
  2. Scratchmark is an organized Markdown editor designed for note keeping and writing. It's intended to become a spiritual successor to ThiefMD.

    Cost / License

    Platforms

    • Linux
    • Flathub
    • Flatpak
    Scratchmark screenshot 1
    Scratchmark screenshot 1
    Scratchmark screenshot 2
    5 alternatives
  3. Aurea icon
     Like

    Aurea is a simple preview banner made to read metainfo files from Flatpak apps and represent them as they would on Flathub.

    Cost / License

    Platforms

    • Linux
    • Flathub
    • Flatpak
    Aurea screenshot 1
    Aurea screenshot 1
  4. QSpeakers icon
     Like

    QSpeakers is a DIY speakers design software. This program simulates common acoustical enclosures behaviour in the mean to help users to design their own loudspeaker systems.

    Cost / License

    Platforms

    • Windows
    • Linux
    • Flathub
    • Flatpak
    QSpeakers screenshot 1
    7 alternatives
  5. Freeciv21 icon
     Like

    Freeciv21 is a free open source turn-based empire-building 4x strategy game, in which each player becomes the leader of a civilization. You compete against several opponents to build cities and use them to support a military and an economy.

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Flathub
    • Flatpak
    Freeciv21 screenshot 1
    Freeciv21 screenshot 1
    Freeciv21 screenshot 2
    7 alternatives
  6. Tarug icon
     Like

    Tarug is a modern, yet another Postgres SQL client, build with GTK 4 and Libadwaita.

    Cost / License

    Platforms

    • Linux
    • Flathub
    • Flatpak
    Tarug screenshot 1
    Tarug screenshot 1
    Tarug screenshot 2
    +1
    Tarug screenshot 3
    41 alternatives
  7. Space Launch is a native unofficial SpaceLaunchNow.me client for GNOME, written in Vala and GTK4. It allows to keep track of upcoming rocket launches.

    Cost / License

    Platforms

    • Linux
    • Linux Mobile
    • GNOME
    • Flathub
    • Flatpak
    Space Launch screenshot 1
    Space Launch screenshot 1
    Space Launch screenshot 2
    +2
    Space Launch screenshot 3
    2 alternatives
  8. Karere icon
     Like

    Karere is a native GTK4 application that provides a seamless WhatsApp web experience integrated with your Linux desktop. Built with modern technologies like Libadwaita, Blueprint UI, and WebKitGTK 6.0, it offers a clean, responsive interface that follows GNOME design principles.

    Cost / License

    Application type

    Platforms

    • Linux
    • Flathub
    • Flatpak
    Karere screenshot 1
    Karere screenshot 1
    Karere screenshot 2
    11 alternatives
  9. Schemes icon
     Like

    Schemes allow you to create syntax highlighting style-schemes for GtkSourceView-based applications such as Builder or Text Editor.

    Cost / License

    Platforms

    • Linux
    • Flathub
    • Flatpak
    Schemes screenshot 1
    Schemes screenshot 1
    5 alternatives
  10. Constrict icon
     Like

    Constrict compresses your videos to your chosen file size — useful for uploading to services with specific file size limits. No more relying on online services for video compression, or the manual trial-and-error of re-encoding at various bitrates yourself.

    Cost / License

    Platforms

    • Linux
    • Flathub
    • Flatpak
    Constrict screenshot 1
    Constrict screenshot 1
    Constrict screenshot 2
    +1
    Constrict screenshot 3
    20 alternatives
  11. Hypatia icon
     Like

    Hypatia is a research tool for the Linux desktop. It's designed to provide at-a-glance information about the topics you're reading, or about things you're curious about. It lets you find definitions, explanations, and answers related to the text on your display...

    Cost / License

    Platforms

    • Linux
    • Flathub
    • Flatpak
    Hypatia screenshot 1
    Hypatia screenshot 1
    Hypatia screenshot 2
    1 alternatives
  12. Nucleus gives you the ability to view the periodic table of the elements, as well as a variety of properties for each element, some with a visual representation. There is also search functionality which gives you the elements in a list for efficient viewing.

    Cost / License

    Platforms

    • Linux
    • Flathub
    • Flatpak
    Nucleus Chemical Elements screenshot 1
    Nucleus Chemical Elements screenshot 1
  13. Step into the enchanting world of FaFa Runner: Dawn Legends, where an epic adventure awaits! Developed using Flutter and the Flame engine, this RPG delivers a seamless gaming experience with stunning visual effects.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • iPhone
    • iPad
    • Linux
    • Flathub
    • Flatpak
    • Windows
    • Snapcraft
    • Mac
    • Android
    • Android Tablet
    • Homebrew
    • Chocolatey
    • Online
    FaFa Runner screenshot 1
    FaFa Runner screenshot 1
    FaFa Runner screenshot 2
  14. Lexi is a self-driven dictionary app for those who want to make their language learning (or creating) structured and easy.

    Cost / License

    Platforms

    • Linux
    • Flathub
    • Flatpak
    Lexi Dictionary screenshot 1
    Lexi Dictionary screenshot 1
    Lexi Dictionary screenshot 2
    +5
    Lexi Dictionary screenshot 3
  15. Piki icon
     Like

    Browse illustrations and read mangas or novels by talented artists and writers from Pixiv.

    Cost / License

    Platforms

    • Linux
    • Flathub
    • Flatpak
    Piki screenshot 1
    Piki screenshot 1
    Piki screenshot 2
    +2
    Piki screenshot 3
    6 alternatives
  16. A simple time-tracker program for GNOME. Instead of using online-first options like Toggl and Clockify, use a lightning-fast local-first option that is still able to sync with multiple computers via cloud or network storage.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    • GNOME
    • Flathub
    • Flatpak
    Time Tracker for GNOME screenshot 1
    Time Tracker for GNOME screenshot 1
    54 alternatives
  17. Pingveno icon
     Like

    Look up Esperanto words.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Linux
    • Flathub
    • Flatpak
    Pingveno screenshot 1
    Pingveno screenshot 1