The Best 24 Vortex Planetarium Alternatives

  • 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 OS X Windows Linux

  • 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...

    Free Open Source Windows Linux

  • Star Rover

    Star Rover is the fantastic planetarium for your smart phone. Just hold up your phone and Star Rover will tell you exactly what you are pointing at. Star Rover...

    Commercial

  • Starry Night (series)

    The Starry Night apps are the most comprehensive educational astronomy apps. Use it with your introductory astronomy textbook or on its own. It's a powerful...

    Commercial Mac OS X Windows Android Tablet iPad