FlightGear Flight Simulator: free open-source multiplatform flight sim
Open Source CFD Toolbox
System dynamics program with additional features for economics
Application Integration for HPC Multiphysics
Graphical Interface for Medical Image Analysis and Simulation
An Open source Analysis and SImulation Toolbox for Fuel Cells
OMNET++ implementation of the Enhanced Community-based Mobility Model
Chromatography Analysis and Design Toolkit
A platform for modelling influenza-like epidemics and containment
Templated C++ library for multilevel MC and QMC quadrature methods