Stellarium

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. It...

• I want to explore other Earth-like planets and it only seems to let you look at the night sky. Guest • Jun 2017 • 8 agrees and 0 disagrees Disagree   Agree
• You can't explore space like in Space Engine Guest • Sep 2018 • 2 agrees and 1 disagrees Disagree   Agree

Free Open Source Mac Windows Linux PortableApps.com

Celestia

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...

• It has lower system requirements and works well on older hardware. msharvey • Apr 2017 • 4 agrees and 0 disagrees Disagree   Agree

Free Open Source Mac Windows Linux PortableApps.com

Gaia Sky

3D visualization software for ESA's (European Space Agency) Gaia mission to chart about 1 billion stars of the Milky Way Galaxy.

Free Open Source Mac Windows Linux

Cosmonium

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.

Free Open Source Mac Windows Linux

Universe Sandbox

Universe Sandbox is an interactive space simulator for Windows based PCs. Unlike most astronomy software that just shows you what the sky looks like or where the...

• it's different enough to warrant buying over space engine, but similar enough where its okay for a comparison. It doesn't look as nice, but it actually has a proper physics engine. Guest • Feb 2020 Disagree   Agree

Commercial Mac Windows Linux Steam

WinStars

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...

Freemium Windows Linux Wine