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.
Portable OS X FOSS applications
Dynamic Linkage Social Aggregation Model
Metagenomic Microbial Interaction Simulator
Toolbox for modelling deformation in layered media in 2D
Matlab interface to the Open Dynamics Engine (ODE)