Allows you to build your own circuits and test them
Neurons to Algorithms - A neural modeling and simulation workbench
Numerical models for chemical and process engineering
Small factory simulator for control logic test purpose
MRS/NMR analysis software
Fortran library with the Abaqus user material subroutines UMAT/VUMAT
A Python package for CGNS
Simulation tool for the casino game Roulette
3-D diffusion solver for biological problems
Galaxy extraterrestrial life simulation
Pure-python binary fixed-point arithmetic library
Growing suite of proteomics simulations for educational purposes
Free multiphysics simulation software package
Former home of the Virtual Cell platform (VCell), see http://vcell.org
Simple API for JADE-based Simulations
The Repast Suite is a family of free agent-based modeling libraries.