SUMO is a microscopic, multi-modal traffic simulation.
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