Draw and Simulate Finite States Machines (FSM)
Skyscrapersim Abandoned
Agent-based simulation toolkit
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
Utility to show live progress, status & stats for running simulations
phase-field simulation and other examples with Python/FEniCS
Modbus slave simulator
Quadrotor control, path planning and trajectory optimization
AVR simulator IDE
Dedicated to computer-aided engineering Linux distribution
A C++ Matrix Library
Collection of MATLAB codes, simulations, and summaries
A simulator for biological and physiological models
Portable OS X FOSS applications
Simulate an epidemic like the Corona Pandemic and look at statistics