Stellarium/stellarium

Stellarium/stellarium has 10,152 GitHub stars and 1,083 forks. Star changes are not measured yet. Last checked 2026-11-06 03:06 UTC. Last push 2026-11-05.

How these counts are measured

Stellarium is a free GPL software which renders realistic skies in real time with OpenGL. It is available for Linux/Unix, Windows, macOS and Haiku. With Stellarium, you really see what you can see with your eyes, binoculars or a small telescope.

10,152 stars 1,083 forks

Measured star growth

in 24h: Update delayed
in 7 days: Collecting history
in 15 days: Collecting history
in 1 month: Collecting history

Net star changes over overlapping periods, not daily totals. Missing measurements are left blank. Stars measure attention, not software quality.

README.md

Original

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.

If you are new to Stellarium, go to www.stellarium.org for loads of additional information.

Installation Instructions & Quick Start

Please refer to the User Guide, Getting Started section.

Get & build the code

See instructions to building Stellarium from source code.

Full References and Credits

See the full credit file.

Contributing to Stellarium

See the contributing guideline.

Contributors

This project exists thanks to all the people who contribute! List of contributors on Github (code contributors) and on Open Collective page (financial contributors).

Our backers & sponsors

Thank you to all our backers and sponsors! Become a backer or sponsor.

Code Signing

Windows packages of this program uses free code signing provided by SignPath.io, and a free code signing certificate by the SignPath Foundation

SAST Tools

PVS-Studio - static analyzer for C, C++, C#, and Java code.