OpenNum lets you distribute solvers with a nice graphical interface
A wireless push-type network simulator.
NMR Product Operator Calculator
Real-time interactive 3D graphics API for scientific simulations
phase-field simulation and other examples with Python/FEniCS
Modbus slave simulator
AVR simulator IDE
Quadrotor control, path planning and trajectory optimization
A C++ Matrix Library
The software for systems biology/pharmacology modeling
Simulate an epidemic like the Corona Pandemic and look at statistics
Collection of MATLAB codes, simulations, and summaries
A simulator for biological and physiological models
Portable OS X FOSS applications
Antimony is a human-readable, human-writable model definition language
PySCeS Constraint Based Modelling
Simulate sensor output of astro pictures taken by telescope
X-ray diffraction (XRD) analysis for hkl simulation of any crystal.