Cosmonium is described as '3D astronomy and space exploration program. With Cosmonium you can navigate in our solar system and discover all the planets and their moons' and is an app in the Education & Reference category. There are seven alternatives to Cosmonium for a variety of platforms, including Windows, Mac, Linux, PortableApps.com and Steam. The best alternative is Stellarium, which is both free and Open Source. Other great apps like Cosmonium are Celestia (Free, Open Source), Space Engine (Paid), Gaia Sky (Free, Open Source) and Universe Sandbox (Paid).
- 7 alternatives