Open source repositories tagged with #planetarium, ranked by health score.
Real-time 3D visualization of space.
Stellarium is a free GPL software which renders realistic skies in real time with OpenGL. It is available for Linux/Unix, Windows and macOS. With Stellarium, you really see what you can see with your eyes, binoculars or a small telescope.
Universe simulator reachable on your iPhone/iPad/Mac.
