KStars
Explore the night sky and prepare observing sessions with a desktop astronomy application.GetGPL-2.0+
Stellarium
Explore the night sky through a planetarium that shows stars, planets, and constellations.
GPL-2.0 · Downloads from github.com
- License
- GPL-2.0
- Open source
- Source
- GitHub
- Stellarium
- Verified
- 2026
About Stellarium
Stellarium simulates a view of the sky for a chosen location and time. Search for objects, display constellation information, and see how the sky changes as time advances.
It is useful for learning astronomy and planning observations. Optional data and equipment integrations extend the basic planetarium experience.
Information
- Source code
- Stellarium/stellarium
- License
- GPL-2.0
- Website
- stellarium.org
- Download
- github.com
- Category
- Education
- Evidence checked
- Tags
Maco links to each project’s official download. Check its release notes for macOS version and Apple silicon support. The verification date records our license and source review, not a security audit.
Sources and image credits
- github.com/Stellarium/stellarium
- github.com/Stellarium/stellarium/blob/master/COPYING
- github.com/Stellarium/stellarium/blob/master/README.md
- github.com/Stellarium/stellarium/releases
- icon.png: Stellarium contributors. GPL-2.0; project trademarks remain with their owners.
License and artwork notices
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