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.
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There are many alternatives to Space Engine for Windows if you are looking for a replacement. The best Windows alternative is Stellarium, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Space Engine and many of them are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to Space Engine are Celestia, No Man's Sky, Universe Sandbox and Gaia Sky.
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.


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.




No Man's Sky is an action-adventure survival video game developed and published by the indie studio Hello Games.




Create & destroy on an unimaginable scale with a realistic physics-based space simulator. Explore the beauty of our universe and the fragility of our planet. Use science to bend the laws of gravity, collide planets, boil away oceans, fire epic space lasers, and customize your universe.


3D simulation of the Solar System and night sky - real time virtual orrery and observatory




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 a space probe on its long voyage or to observe a celestial event from a place to which you could never go.


Orbiter is a realistic 3D real-time space flight simulator program.
Fed up with space games that insult your intelligence and violate every law of physics? Orbiter is a simulator that gives you an idea what space flight really feels like - today and in the not so distant future.



In this app you can explore almost any moon or planet of our solar system and visit remarkable nearby stars and see their location in the Milky Way. But you can also change existing bodies or add new ones and make a solar system of your own.




Starfield is the first new universe in 25 years from Bethesda Game Studios, the award-winning creators of The Elder Scrolls V: Skyrim and Fallout 4. In this next generation role-playing game set amongst the stars, embark on an epic journey to answer humanity’s greatest mystery.




SourceForge presents the Solar Model project. Solar Model is an open source application. SourceForge provides the world's largest selection of Open Source Software. The Solar Model is real time modeling of solar system.


