A 3D surface and volumetric mesh generator for MATLAB/Octave
CFDTool - Easy to Use Computational Fluid Dynamics (CFD) Toolbox
Static and Dynamic Structural Analysis of 2D and 3D frames.
Matlab interface to the Open Dynamics Engine (ODE)
Open source 3D Matlab Isogeometric Analysis Code
collection of illustrative programs:small games, simulators: C, Matlab