An open-source, GPU-accelerated physics simulation engine
Model-rocketry aerodynamics and trajectory simulation software
A 3D surface and volumetric mesh generator for MATLAB/Octave
Virtual X-Ray Imaging Library on GPU
CFDTool - Easy to Use Computational Fluid Dynamics (CFD) Toolbox
Static and Dynamic Structural Analysis of 2D and 3D frames.
A 3D simulator game where you can drive, fly, and sail
GMES is a free Python package for FDTD electromagnetic simulations.
A highly flexible 3D flocking boids simulator, conceived as a tool for
A raytracing framework for optical/non-optical physics simulations
collection of illustrative programs:small games, simulators: C, Matlab
Agent-based framework for Artificial Life and Complex Systems
Easy to use physics simulation combining ODE with OpenInventor.