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.
United States
+1
Spatial Portal Alternatives
Spatial Portal is described as 'Set up a Portal in your real-life room, and seamlessly step into any spatial worlds you create with AI' and is an app. There are more than 10 alternatives to Spatial Portal for a variety of platforms, including Windows, Linux, Mac, Steam and Web-based apps. The best Spatial Portal alternative is Celestia, which is both free and Open Source. Other great apps like Spatial Portal are Space Engine, Universe Sandbox, Orbiter and Cosmonium.
Alternatives list
- 32 Celestia alternatives
30 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
Application type
Platforms
- Windows
Russia
15 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
- United States
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
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. You can land on planets, slingshot past gas giants, and burn yourself to a crisp flying...
Cost / License
- Free
- Open Source
Application type
Platforms
- Windows
- Linux
A game of missions, trade and space combat in the 31st century using the Pioneer Space Sim engine with many additions and improvements.
Cost / License
- Free
- Open Source
Platforms
- Windows
- Linux
P
Mitaka is software for visualizing the known Universe with up-to-date observational data and theoretical models. Mitaka users can seamlessly navigate through space, from the Earth to the edges of the known Universe.
Cost / License
- Free
- Proprietary
Platforms
- Windows
Japan
+9
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!
Cost / License
- Free
- Open Source
Platforms
- Online
G
Reentry is a space flight simulator based on real life spacecrafts. You create a new astronaut, gain levels and experience for every move you make by completing missions in space.
Cost / License
- Paid
- Proprietary
Application typeApplication types
Platforms
- Windows
- Steam
+3
Warp to distant stars and explore various exoplanets like lava worlds, water worlds, earthlike planets or massive jovians with Stars and Planets planetarium app and astronomy guide. Space is awesome and the universe is at your fingertips!
Cost / License
- Free
- Proprietary
Platforms
- Android
- iPhone
- Android Tablet
- iPad
Systems Tool Kit (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.
Cost / License
- Paid
- Proprietary
Platforms
- Windows
- Software as a Service (SaaS)
