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Open Source Universe Sandbox Alternatives

The best open source alternative to Universe Sandbox is Celestia. If that doesn't suit you, our users have ranked more than 10 alternatives to Universe Sandbox and six of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Universe Sandbox are Cosmonium, Orbiter, Pioneer and Gravity Simulator.

Universe Sandbox alternatives are mainly Star Maps but may also be Exploration Games. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Universe Sandbox.
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  • Windows
  • Linux
  • Steam

Universe Sandbox is an interactive space simulator for Windows based PCs.

Learn more about Universe Sandbox

  1. Celestia icon

    Celestia

    • 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.

    ⚫︎ PortableCelestia can be used from a USB stick or similar with no prior installation.
    Suggest and vote on features
    The orbits of a number of main belt asteroids (in brown) plotted together with major planet orbits (in blue).
    Celestia vs Universe Sandbox opinions
    Some users think Celestia is a great alternative to Universe Sandbox, some don't.

    you cannot use as a sandbox and you cannot do your own simulations

    Negative comment ago
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    You cannot do anything with Celestia like you can with Universe Sandbox.

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    2

    it just shows the universe but can not minipulate it

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  2. Cosmonium icon

    Cosmonium

    • 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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    Io transiting over Jupiter
    Cosmonium vs Universe Sandbox opinions
    pros, cons and recent comments
    brucelgrubb

    Per its own description (our solar system) it is not a sandbox like Universe Sandbox

    Negative comment ago
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  3. Orbiter icon

    Orbiter

    • FreeOpen Source
    • Windows

    Orbiter is a realistic 3D real-time space flight simulator program.

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    Screenshot
  4. Pioneer icon

    Pioneer

    • FreeOpen Source
    • Windows
    • Linux

    Pioneer is a space adventure game set in the Milky Way galaxy at the turn of the 31st century. The game is open-ended, and you are free to explore the millions of star systems in the game.

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    Mars and Phobos (no shaders)
  5. Gravity Simulator

    • FreeOpen Source
    • Online

    Gravity and space simulator that allows you to learn about the gravitational force and explore and learn about space. Change the value of the gravitational constant, increase the mass of Jupiter to see how doing so would affect the solar system and much, much more!

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    No screenshots yet


  6. Pioneer Scout Plus

    • FreeOpen Source
    • Windows
    • Linux

    Pioneer Scout Plus download. Pioneer Scout Plus 2015-06-01 18:01:33 free download. Pioneer Scout Plus A game of missions, trade and space combat

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    Screenshot
    Pioneer Scout Plus vs Universe Sandbox opinions
    pros, cons and recent comments

    Can't launch plutos at sun

    Negative comment ago
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Showing 6 of 6 alternatives