SUMO is a microscopic, multi-modal traffic simulation.
Open source software calculating industrial noise in the environment
Data Analysis, Simulations and Visualization on the Sphere
Ab initio simulator for thermal transport and lattice anharmonicity
Modular System for Shelves and Coasts
The FMI++ TRNSYS FMU Export Utility
... [BATCH], [ANALYZE] and [OPTIMIZE] cases in OpenFOAM and others
Simple Molecular Interaction Potential Generator in Python