GMES is a free Python package for FDTD electromagnetic simulations.
LBM3fm - Lattice Boltzmann method for film flow modelling
An Open source Analysis and SImulation Toolbox for Fuel Cells
Emulate MODBUS industrial network with devices.
The Vienna Topography Simulator
Macro/Micro Magnetic Simulator
A finite volume groundwater simulator
Multiscale Neuroscience and Systems Biology Simulator
3D simulation library
Simple ball collision simulation in C++ SFML
Random number library
An eyewear trying simulator
Planning PhotoThermal Therapy
Otanes is a live TV simulator for Content-Centric Networking (CCN).
Physics Game like "The Incredible Machine"