Software Alternatives, Accelerators & Startups


StarCalc is the fastest professional astronomy planetarium & star mapping program for Windows...

StarCalc Alternatives

The best StarCalc alternatives based on verified products, community votes, reviews and other factors.
Filter: 4 Open-Source Alternatives

  1. 20

    Stellarium is a free open source planetarium for your computer.

    Open Source

  2. 13

    Mitaka is software for visualizing the known Universe with up-to-date observational data and...

  3. FlexiQuiz is a powerful online test generator that enables you to create engaging online quizzes, tests, or exams in minutes. Choose from 100's of features to create a customized quiz that meets your objectives for business, education, or fun.

    Try for free freemium $25.0 / Monthly (Essentials plan)

    Try for free
  4. 12

    The WorldWide Telescope (WWT) is a Web 2.

  5. OpenSpace is open source interactive data visualization software designed to visualize the entire known universe and portray our ongoing efforts to investigate the cosmos.

    Open Source

  6. This is an app that will let you explore the Solar System!

  7. 18

    3D model of the Solar System and night sky in real time

  8. SourceForge presents the Solar Model project. Solar Model is an open source application.

  9. 17

    KStars is a Desktop Planetarium for KDE.

  10. 11

    SkyORB is fantastic for anyone interested in the night skies, but it's not just a star-gazer's handbook.

  11. 13

    A window to the stars has never been more beautiful and easy to use.

  12. 13

    SkyView is powerful, easy-to-use app that answers questions about stars, constellations, and more.

  13. 14

    Stellarium is a planetarium software that shows exactly what you see when you look up at the stars. It's easy to use, and free. Read more about Star Chart.

  14. Star Walk – Sky View: Explore the Stars.

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