What are the best Spaceflight repositories on GitHub?

The top-ranked Spaceflight open source repositories include nasa/fprime, CS-SI/Orekit, tracked and evaluated by community adoption, stars, and code commits.

How do I find trending Spaceflight open source tools?

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

Are Spaceflight GitHub repositories free and open source?

Most Spaceflight 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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Spaceflight GitHub Repositories (2026) · Open Source Tools

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

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2 matching projects · updated Nov 12, 2026 How we rank ↗

#1 TRENDING nasa/fprime C++ 2017

F´ - A flight software and embedded systems framework

◇ components ◇ cpp ◇ embedded ◇ embedded-systems

1.8K ↑ +4 today

11.9K

#2 TRENDING CS-SI/Orekit Java 2014

OREKIT is a free low level space dynamics library written in Java. Please visit our Gitlab instance for issues and contributions: https://gitlab.orekit.org

◇ astrodynamics ◇ attitude ◇ java ◇ library

116 ↑ +1 today

306

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Spaceflight GitHub Repositories (2026) · Open Source Tools

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