Digital Circuits Design and Simulation
OpenNum lets you distribute solvers with a nice graphical interface
Fortran library with the Abaqus user material subroutines UMAT/VUMAT
Growing suite of proteomics simulations for educational purposes
Free multiphysics simulation software package
An Open source Analysis and SImulation Toolbox for Fuel Cells
A library that allows programs for a NI CRIO to be run on a computer.
LIME is a software tool for creating multiphysics simulation codes.