What are the best Planetarium repositories on GitHub?

The top-ranked Planetarium open source repositories include celestiamobile/AndroidCelestia, Stellarium/stellarium, CelestiaProject/Celestia, tracked and evaluated by community adoption, stars, and code commits.

How do I find trending Planetarium open source tools?

Browse this curated Planetarium directory to monitor real-time GitHub star velocity, latest code releases, and rising developer tools updated daily.

Are Planetarium GitHub repositories free and open source?

Most Planetarium projects listed here are distributed under open source licenses (such as MIT, Apache 2.0, or GPL). Always check individual project repositories for exact license terms.

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Planetarium GitHub Repositories (2026) · Open Source Tools

Discover the best Planetarium open source repositories on GitHub. Explore trending tools, live star counts, source code, and developer projects updated daily.

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4 matching projects · updated Nov 13, 2026 How we rank ↗

#1 TRENDING celestiamobile/AndroidCelestia Kotlin 2020

Universe simulator reachable on your Android device.

◇ android ◇ astronomy ◇ celestia ◇ kotlin

17 ↑ +2 today

222

#2 TRENDING Stellarium/stellarium C++ 2014

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.

◇ astronomy ◇ c ◇ c-plus-plus ◇ planetarium

1.1K ↑ +1 today

10.2K