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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Systems Tool Kit Alternatives
Systems Tool Kit is described as '(STK) is a platform for analyzing and visualizing complex systems in the context of your mission. Interact with data from platforms across the aerospace, defense, telecommunications, and other industries' and is an app in the education & reference category. There are more than 10 alternatives to Systems Tool Kit for a variety of platforms, including Windows, Android, Mac, Linux and iPhone apps. The best Systems Tool Kit alternative is Stellarium, which is both free and Open Source. Other great apps like Systems Tool Kit are Celestia, Space Engine, Universe Sandbox and Gaia Sky.
Alternatives list
55 Stellarium alternatives
31 Celestia alternativesCelestia 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.
28 Space Engine alternativesSpace Engine - a real-time 3D space simulator, procedural universe generator and visualiser. It lets you explore the universe in three dimensions, starting from planet Earth to the most distant galaxies.
Cost / License
- Paid
- Proprietary
Platforms
- Windows
20 Universe Sandbox alternativesCreate & 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.
Cost / License
- Paid
- Proprietary
Platforms
- Mac
- Windows
- Linux
- Steam
- GOG.com
- Epic Games Store
- itch.io
- Humble Bundle
- HTC Vive
44 Gaia Sky alternatives3D visualization software for ESA's (European Space Agency) Gaia mission to chart about 1 billion stars of the Milky Way Galaxy.
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40 Noctua Stellarium alternativesA planetarium app that shows exactly what you see when you look up at the stars.
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Android
- iPhone
- Android Tablet
- iPad
- Online
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50 Solar System Scope alternatives3D simulation of the Solar System and night sky - real time virtual orrery and observatory
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Mac
- Windows
- Online
- Android
- iPhone
- Android Tablet
- iPad
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Planetario contains a 3D model of our solar system. It will show the horizon and the planets in their path along the sky. The word planet comes from the Greek planetai, meaning "wanderers". Because of the rotation of the earth, the stars seem to move in perfect...
Cost / License
- Free
- Open Source
Platforms
- Android
- Android Tablet
- F-Droid
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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.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Windows
Orbiter vs Systems Tool Kit Comments
- Orbiter is Free and Open Source
50 Atlas of Space alternativesWelcome to the Atlas of Space — an interactive visualization to explore the planets, moons, asteroids, and other objects in the Solar System.
Engage in space exploration and terraform new worlds in this fun and exciting planet building simulator rooted in real science. TerraGenesis dynamically animates entire planets with changing biospheres, all based on real data from NASA.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Android
- iPhone
- Android Tablet
- iPad
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Orbiter is a FS Sim, not an orbit toolkit!