OpenRocket
A free, open-source, cross-platform application for model-rocket design and flight simulation.
RocketPy
An MIT-licensed Python library for high-power rocket trajectory, weather, dispersion, and six-degree-of-freedom simulation.
OpenVSP
NASA’s open-source parametric aircraft geometry tool for conceptual design and engineering analysis.
SU2
An open-source multiphysics simulation and design suite for CFD, aerodynamic analysis, and shape optimization.
Basilisk
An open-source astrodynamics and spacecraft simulation framework for research, GNC, and hardware-in-the-loop work.