One of the most popular alternatives to Space Engine is Stellarium, which is free and open source. Other popular alternatives are Celestia, No Man's Sky, Gaia Sky and Noctua Stellarium. You're spoiled for choice with Star Maps like Space Engine: we list more than 25 alternatives for Windows, Android, Linux, Mac and iPhone.
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.
United States
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.
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...
OpenSpace is open-source interactive data visualization software designed to visualize the entire known universe and portray our ongoing efforts to investigate the cosmos.
The Exoplanet app is a highly visual and interactive catalogue of all known exoplanets. Exoplanets are planets orbiting stars beyond our own Solar System. It is frequently updated whenever new discoveries are confirmed.
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.
Japan
Ad Astra is an open-ended space exploration game which has attempted to model a Galaxy of over 110,000 real stars based on the 1997 Hipparcos Star Catalogue. The application supports fractal planets, procedural flora and fauna with uninterrupted game play whilst within a...
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.
Visit distant exoplanets on a thrilling journey through our galaxy! Exoplanet Explorer presents interactive 3D models of real solar systems and visualises planets that have been discovered around distant stars.
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!
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.
