General Mission Analysis Tool
Physically accurate and validated GPU ray-tracer
ASALI is an open-source code for chemical engineers
FEATool Multiphysics is an easy-to-use FEA and CFD Simulation Toolbox
slab3d is a real-time virtual acoustic environment.
Static and Dynamic Structural Analysis of 2D and 3D frames.
Building blocks for the renewable energy industry.
Finite element analysis of electromagnetic devices
The DREAM toolbox is a free open source acoustic field simulation tool
SPHERES Facility software for scientists
Matlab interface to the Open Dynamics Engine (ODE)
An automated controller testing tool
Open source 3D Matlab Isogeometric Analysis Code
MIT's spacecraft simulator for control algorithm development
collection of illustrative programs:small games, simulators: C, Matlab