open-space-collective/open-space-toolkit

Oxidized Astrodynamics

Nyx is a high fidelity, fast, reliable and validated astrodynamics toolkit library written in Rust and available in Python

A Modern Fortran Library for Astrodynamics 🚀

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

C++/Vulkan simulation engine

PyKEP is a scientific library providing basic tools for research in interplanetary trajectory design.

A thread-safe alternative to NASA SPICE toolkit, computing spacecraft, planetary, coordinate frame, instrument transformations, ground station visibility, and orbital elements. Engineered for high-throughput Python concurrent execution and flight software, with proven lunar flight heritage.

Astrodynamics simulation framework

Astrodynamics and Spacecraft Toolkit. Features fast orbit prop, celestial precession, CCSDS parsing, RF parsing, fits image parsing, and more!