CFDTool - Easy to Use Computational Fluid Dynamics (CFD) Toolbox
A cross-platform statistical package for econometric analysis
FEATool Multiphysics is an easy-to-use FEA and CFD Simulation Toolbox
Physically accurate and validated GPU ray-tracer
CAESAR-Lisflood landscape evolution model
VHDL Verification and Simulation Tool
A simulation program for thyroid homeostasis.
A simulation program for insulin-glucose homeostasis.
Discrete-event simulation modeling software for science and education
Open-Source Multiphysics FEA (FEM) Package
tkinter wrapper for NASA CEA focused in rocket chemistry explanations
Matlab/Scilab-FEMM based GUI to Assist the Design of Permanent Magnet
OpenNum lets you distribute solvers with a nice graphical interface
AVR simulator IDE
PySCeS Constraint Based Modelling
Biomolecular electrostatics software
Molecular Dynamics Cell Construction
Toolkit for agent-based & dynamic microsimulation modelling
MRS/NMR analysis software
3-D diffusion solver for biological problems
GUI for building, simulating and optimizing kinetic models.
GUI for managing and working with one or more HTCondor pools.