Open Source Stellarium AlternativesStar Maps and other similar apps like Stellarium

The best open source alternative to Stellarium is Celestia. If that doesn't suit you, our users have ranked more than 50 alternatives to Stellarium and 13 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Stellarium are Sky Map, KStars, Gaia Sky and WorldWide Telescope.

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Alternatives list

  1. Celestia icon
     133 likes

    Celestia is an application for real-time 3D visualization of space, with a detailed model of the solar system, over 100,000 stars, more than 10,000 galaxies, and an extension mechanism for adding more objects.

    31 Celestia alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • PortableApps.com
    • Android
    • iPhone
    • iPad
    • visionOS
     
  2. Sky Map icon
     133 likes

    Sky Map (formerly the Google Sky Map) turns your Android-powered mobile phone into a window on the night sky.

    47 Sky Map alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Android
     
  3. KStars icon
     24 likes

    Open-source astronomy software offering accurate night sky simulation with 100 million stars, Ekos astrophotography suite, stellar observation planner, "What's up Tonight" tool, FOV editor, and a variety of celestial catalogs for comprehensive astronomical exploration.

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • KDE Plasma
    • Snapcraft
    • Flathub
    • Flatpak
     
  4. Gaia Sky icon
     12 likes

    3D visualization software for ESA's (European Space Agency) Gaia mission to chart about 1 billion stars of the Milky Way Galaxy.

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Flathub
    • Flatpak
     
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  5. The WorldWide Telescope (WWT) is a Web 2.0 visualization software environment that enables your computer to function as a virtual telescope, bringing together imagery from the best ground and space-based telescopes in the world for a seamless exploration of the universe.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Windows
    • Online
     
  6. Welcome to the Atlas of Space — an interactive visualization to explore the planets, moons, asteroids, and other objects in the Solar System.

    Cost / License

    Application type

    Platforms

    • Online
     
  7. Cosmonium icon
     5 likes

    Cosmonium is a 3D astronomy and space exploration program. With Cosmonium you can navigate in our solar system and discover all the planets and their moons.

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
     
  8. Planetario icon
     2 likes

    Planetario contains a 3D model of our solar system. It will show the horizon and the planets in their path along the sky. The word planet comes from the Greek planetai, meaning "wanderers". Because of the rotation of the earth, the stars seem to move in perfect...

    Cost / License

    • Free
    • Open Source

    Platforms

    • Android
    • Android Tablet
    • F-Droid
     
  9. Aladin icon
     3 likes

    Aladin is an interactive sky atlas allowing the user to visualize digitized astronomical images or full surveys, superimpose entries from astronomical catalogues or databases, and interactively access related data and information from the Simbad database, the VizieR service and...

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
     
  10. Astrarium icon
     2 likes

    Astrarium is a free and open source desktop planetarium software for Windows. It allows to discover night sky as seen from any point on the Earth and any date and time instant. There are many celestial objects can be observed, from eight major planets to faintest stars...

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Windows
     
  11. Aciqra icon
     4 likes

    Aciqra (uh-SEE-kruh) is a free and open source virtual sky map and planetarium which tracks and displays astronomical bodies including planets, nebulae and stars to an accuracy of a fraction of a degree for thousands of years into both the future and the past.

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Windows
    • Linux
    • Wine
     
12 of 13 Stellarium alternatives