Alternatives to WorldWide Telescope for all platforms with any license

  • Stellarium

    Stellarium is a free open source planetarium for your computer. It shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope. It...

    Free Open Source Mac Windows Linux PortableApps.com

    Stellarium icon
  • Celestia

    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...

    Free Open Source Mac Windows Linux PortableApps.com

    Celestia icon
  • KStars

    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. The display...

    Free Open Source Mac Windows Linux KDE

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    KStars icon
  • Gaia Sky

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

    Free Open Source Mac Windows Linux

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    Gaia Sky icon
  • StarCalc

    StarCalc is the fastest professional astronomy planetarium & star mapping program for Windows 9x/ME/NT/2000/XP (StarCalc version for PocketPC is available). It...

    • Discontinued The program is no longer updated. Last version, 5.73, released in July 2006, can be still downloaded from the official website.

    Free Windows Windows Mobile

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  • Aladin

    Aladin is an interactive sky atlas allowing the user to visualize digitized astronomical images or full surveys.

    Free Mac Windows Linux Web

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    Aladin icon
  • Aciqra

    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...

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

    Free Open Source Windows Linux

    Aciqra icon
  • WinStars

    WinStars uses the latest 3D technology to show the objects of our solar system in a realistic manner. Thus, it is possible to move from one planet to another, to follow...

    Freemium Windows Linux Wine

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    WinStars icon
  • Mitaka

    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...

    Free Windows

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  • Solar Model

    SourceForge presents the Solar Model project. Solar Model is an open source application. SourceForge provides the world's largest selection of Open Source Software....

    Free Windows

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    Solar Model icon

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