GMES is a free Python package for FDTD electromagnetic simulations.
An Open source Analysis and SImulation Toolbox for Fuel Cells
Multiscale Neuroscience and Systems Biology Simulator
Molecular dynamics with aqueous-organic solvent mixtures
This is a template Python code set to use JModelica easily.
Monte-Carlo simulation for ultra-cold neutrons
TCAD Device Simulator
A collection of useful tools for astrophotographers
Travel Market Simulator
Fluid2D is the Swiss army knife of 2D CFD
A FDTD solver for electromagnetic wave simulations on a GPU cluster
BlueSky Open Air Traffic sim, (Windows/Linux/Mac, Python 2.x based)