Simulation Tools
A Collection of Modelling and Simulation Resources on the Internet for the simulation of both continuous-time dynamic systems and discrete-event ones. Provides a broad review with links to the software.
http://www.idsia.ch/~andrea/simtools.html

20-sim modeling and simulation of dynamic systems
20-sim is a state-of-the-art modeling and simulation package for dynamic systems using iconic diagrams, block diagrams, bond graphs and equation models. Download a free full-working demo now.
http://www.20sim.com/index.htm

VisSim Dynamic System Simulation Software
VisSim from Adept Scientific - Looking for a source for VisSim simulation and embedded system design software? Adept has all the information you need. VisSim Home - Adept Scientific plc - The Technical Computing People
http://www.adeptscience.co.uk/products/mathsim/vissim/

Fidelity Simulation and Training
simulation systems for training military operations> <meta name=
http://www.fidelitytech.com/simtraining.html

nHance Technologies
Describes its software which provides pre-engineered “modules” that can be assembled to create a dynamic simulation of thermo dynamic systems for engineering analysis and control system studies.
http://www.nhancetech.com

IDEAS Simulation Inc.
Offers a software suite for steady-state and dynamic simulation of various process plants. Description of software and Industrial applications.
http://www.ideas-simulation.com/home.php

Yobotics! Simulation Construction Set
The Yobotics Simulation Construction Set is a software tool for dynamic simulation of robots and biomechanical systems.
http://yobotics.com/simulation/simulation.htm

DYNAMECHS
A multibody dynamic and hydrodynamic simulation library implemented in object oriented, cross-platform C++. Suitable for simulation of underwater articulated robots, ROVs, and AUVs. Free Software licensed under the GNU GPL.
http://dynamechs.sourceforge.net/

QMC
QMC delivers state-of-the-science software solutions. What do YOU want to solve today?
http://www.qmc.net

Simulation Dynamics, Inc.
Simulate supply chains, manufacturing plants, and complex manufacturing or business processes to build understanding of dynamic systems. SDI provides software for simulation, consulting, and training.
http://www.simulationdynamics.com