Open Source Stellarium Alternatives

    The best open source alternative to Stellarium is Celestia, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Stellarium and ten of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Stellarium are Sky Map (Free, Open Source), Gaia Sky (Free, Open Source), KStars (Free, Open Source) and Cosmonium (Free, Open Source).

    This page was last updated Sep 25, 2021

      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      • PortableApps.com
      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.
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      Almost everyone thinks Celestia is a great alternative to Stellarium.
    1. Sky Map (formerly the Google Sky Map) turns your Android-powered mobile phone into a window on the night sky.
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      Almost everyone thinks Sky Map is a great alternative to Stellarium.


    2. Gaia Sky is a real-time, 3D, astronomy visualisation software that runs on Windows, Linux and OS X.
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      Gaia Sky vs Stellarium opinions
      pros, cons and recent comments
      Best Alternative for naked-eye astronomy
      Positive comment about 3 years ago

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      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      • KDE
      KStars is a Desktop Planetarium for KDE. It provides an accurate graphical simulation of the night sky, from any location on Earth, at any date and time.
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      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      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.
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    3. 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.
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      • FreeOpen Source
      • Windows
      • Online
      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.
      • FreeOpen Source
      • Windows
      • Linux
      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.

      Discontinued

      The project is no longer developed. Last version, 2.3.2, released in July 2013, can be still downloaded from SourceForge.

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      • FreeOpen Source
      • Mac
      • Linux
      • FreeBSD
      A software to calculate the astronomical ephemerides.
      No screenshots yet
    4. This is an app that will let you explore the Solar System!.
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    Showing 10 of 10 alternatives