nasa/cea

Chemical kinetics, thermodynamics, and transport tool suite

An open-source internal ballistics simulator for rocket motor experimenters

Python version of the amazing Reaction Mechanism Generator (RMG).

Thermophysical properties for the masses

FeOs - A Framework for Equations of State and Classical Density Functional Theory

Next generation High-Power Rocketry 6-DOF Trajectory Simulation

Open Calphad, thermodynamic calculation code

⚗ A package useful for chemistry written in Python

CALPHAD tools for designing thermodynamic models, calculating phase diagrams and investigating phase equilibria.