Chemical engineering and materials science rely on mathematical models to understand how substances behave, interact and change under different conditions. From combustion and reaction kinetics to phase stability and industrial process design, numerical simulation helps researchers investigate complex systems without relying entirely on costly or time-consuming experiments.
The software featured in this roundup covers several related disciplines. Some tools calculate thermodynamic properties and chemical equilibria, predicting how substances behave at different temperatures, pressures and compositions. Others simulate chemical reactions, heat and mass transfer, or entire industrial processes. Specialist frameworks support process optimisation, while computational thermodynamics packages help investigate phase diagrams, alloys and multicomponent materials.
These applications serve chemical engineers, materials scientists, computational chemists, researchers and students. They range from graphical programs for engineering calculations to Python-based libraries offering extensive scripting and automation capabilities. Some are particularly useful for teaching fundamental principles, while others are designed for advanced research and industrial applications.
Here’s our verdict captured in a legendary LinuxLinks-style ratings chart. Only free and open source software is eligible for inclusion.
Click the links in the table below to learn more about each tool.
| Chemical Engineering, Kinetics & Thermodynamics | |
|---|---|
| pychemqt | Chemical engineering calculations and simulation |
| Cantera | Chemical kinetics and thermodynamic simulation |
| pycalphad | Compute phase diagrams and thermodynamic equilibria in materials |
| IDAES | Model and optimise complex chemical and industrial process systems |
| Reaktoro | Model chemical reactions, equilibrium and reactive transport systems |
| Equilipy | Calculate phase equilibria in multicomponent, multiphase systems |
Explore our carefully curated directory of recommended free and open source software, covering every major software category.The directory forms part of our extensive collection of articles for Linux enthusiasts. It includes hundreds of detailed reviews, together with free and open source alternatives to proprietary software from companies such as Google, Microsoft, Apple, Adobe, IBM, Cisco, Oracle, and Autodesk. LinuxLinks also covers interesting projects worth exploring, Linux-compatible hardware, free programming books and tutorials, and much more. Know a useful free and open source Linux application that we haven’t covered? Tell us about it using our submission form. |



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