A cross-platform statistical package for econometric analysis
FlightGear Flight Simulator: free open-source multiplatform flight sim
SUMO is a microscopic, multi-modal traffic simulation.
System dynamics program with additional features for economics
Individual-based forward-time genetics simulation software
Virtual X-Ray Imaging Library on GPU
Earth orbits and satellite coverage display in 3D on your laptop.
Fast integrator of stochastic partial differential equations
3D driving simulation based on Open Dynamics Engine
Simulation of a two-channel Bell test, with closed-form proofs
turn-based wargame/simulator
Static and Dynamic Structural Analysis of 2D and 3D frames.
Interactive geometry software for Euclidean and non-Euclidean spaces
PySCeS is the Python Simulator of Cellular Systems
HP-41cx Emulator
Portable OS X FOSS applications
PySCeS Constraint Based Modelling
Biomolecular electrostatics software