Free Stellarium AlternativesTop Star Maps and other similar apps like Stellarium

The best free alternative to Stellarium is Celestia, which is also Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Stellarium and many of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Stellarium are Sky Map, KStars, Gaia Sky and Solar System Scope.

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Alternatives list

  1. Celestia icon

    Celestia

     131 likes
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    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.

    30 Celestia alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • PortableApps.com
    • Android
    • iPhone
    • iPad
    • visionOS
    The orbits of a number of main belt asteroids (in brown) plotted together with major planet orbits (in blue).
     
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    • Almost everyone thinks Celestia is a great Stellarium alternative.

    • Celestia is the most popular Windows, Android, Mac & iPhone alternative to Stellarium.

    • Celestia is the most popular Open Source & free alternative to Stellarium.

    • Celestia is Free and Open SourceStellarium is also Free and Open Source
  2. Sky Map icon

    Sky Map

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

    43 Sky Map alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Android
    Sky Map screenshot 1
     
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  4. KStars icon

    KStars

     24 likes
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    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.

    47 KStars alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • KDE Plasma
    • Snapcraft
    • Flathub
    • Flatpak
    KStars screenshot 1
     
  5. Gaia Sky icon

    Gaia Sky

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

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Flathub
    • Flatpak
    Gaia Sky screenshot 1
     
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    Comments about Gaia Sky as an Alternative to Stellarium
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    Positive
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    Best Alternative for naked-eye astronomy

    Review by a new / low-activity user.
    Stellarium Icon
    Gaia Sky icon
    • Gaia Sky is Free and Open SourceStellarium is also Free and Open Source
  6. Solar System Scope icon

    Solar System Scope

     5 likes
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    3D simulation of the Solar System and night sky - real time virtual orrery and observatory

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    Solar System Scope screenshot 1
     
  7. WorldWide Telescope icon

    WorldWide Telescope

     6 likes
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    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
    Main Window
     
  9. Atlas of Space icon

    Atlas of Space

     1 like
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    Welcome to the Atlas of Space — an interactive visualization to explore the planets, moons, asteroids, and other objects in the Solar System.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Online
    Atlas of Space screenshot 1
     
  10. Cartes du Ciel (Skychart) icon

    Cartes du Ciel (Skychart)

     6 likes
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    This program enables you to draw sky charts, making use of the data in 16 catalogs of stars and nebulae. In addition the position of planets, asteroids and comets are shown.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    Moon rise with flattenning by the atmospheric refraction
     
  11. SkyView icon

    SkyView

     12 likes
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    SkyView is powerful, easy-to-use app that answers questions about stars, constellations, and more. Simply point the camera to the sky, tap on what you see and discover neat things about these sky objects.

    36 SkyView alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Apple Watch
    • Kindle Fire
    SkyView screenshot 1
    SkyView screenshot 2
    SkyView screenshot 3
     
  12. Cosmonium icon

    Cosmonium

     4 likes
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    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

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    Io transiting over Jupiter
     
  13. Planetario icon

    Planetario

     2 likes
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    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
    Planetario screenshot 1
     
  14. Mitaka icon

    Mitaka

     1 like
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    Mitaka is software for visualizing the known Universe with up-to-date observational data and theoretical models. Mitaka users can seamlessly navigate through space, from the Earth to the edges of the known Universe.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Windows
    Earth's day side
     
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