website introduction：Developers of MATLAB, Simulink and Stateflow. The MathWorks offers a set of integrated products for data analysis, visualization, application development, simulation, model-based design, and code generation.
website introduction：Provides computer-aided engineering technology and engineering design analysis software products.s.
website introduction：Design, develop and manufacture a range of military training simulators.
website introduction：Develops business simulation games and applications.
website introduction：OMNeT++ is an open-source, component-based simulation package built on C++ foundations. It offers a C++ simulation class library and GUI support (graphical network editing, animation).
website introduction：Simio is simulation software with the power to rapidly build accurate 3d animated models which can be used to explore changes and alternatives in dynamic systems.
website introduction：Developers of VISA, a sensitivity analysis tool and SIMUL8, which is used for discrete event simulation.
website introduction：Developers of a computer based simulator for the 747-400.
website introduction：A free numerical library for C programmers. [Open source, GPL]
website introduction：EUROSIS is a non-profit society that aims to be the primary initiator of European simulation and modelling projects, bridging the gap between academic and industry based simulation and modelling research.
website introduction：Makers of industry standard Windows and Mac image analysis software including Image-Pro Plus and Gel-Pro Analyzer.
website introduction：Statistical software for the social sciences. LISREL for structural equation modeling, HLM for hierarchical data analysis, and BILOG, BILOG-MG, MULTILOG, PARSCALE, and TESTFACT for IRT-based test analysis.
website introduction：Manufacturing, medical, and service simulation modeling.
website introduction：Designer and manufacturer of PC-based hardware and software for machine vision, image analysis, medical imaging and video surveillance.
website introduction：A simulation, training, modeling and virtual reality research center located by the University of Central Florida (UCF) in Orlando, Florida. Presentation, programs and news.
website introduction：Developer of ARENA, simulation software to help demonstrate, predict, and measure system strategies by analyzing the impact of business ideas before applying them to the business.
website introduction：GoldSim software provides the ability to simulate discrete event and continuous processes simultaneously, address uncertainty in your models, and link your GoldSim models with spreadsheets, databases, and external programs.
website introduction：Developer of VisSim, a graphical language for easy creation of dynamic system simulations. Advanced code generation allows efficient targeting of Texas Instruments based embedded systems.
website introduction：Tools and services to accelerate control system engineering, modeling and simulation software products.
website introduction：PLECS is a unique tool for the fast simulation of electrical circuits within the Simulink environment. Although specially designed for power electronics systems it is a versatile program for any combined simulation of electrical circuits and controls.
website introduction：Two stroke and four stroke diesel engine simulators are available. The short history of a diesel engine simulator is also included.
website introduction：Deconvolution and visualization software for microscopy, available on Windows, Mac, Irix and Linux.
website introduction：Network simulator designed from the outset for maximum speed and scalability, with real-time simulation as an achievable goal.
website introduction：ODE is a platform independent C++ library for simulating articulated rigid body dynamics; ground vehicles, legged creatures, or moving objects. Supports advanced joints, contact with friction, and built-in collision detection. ODE is Free Software dual-licensed under the GNU GPL and a BSD-style license.
website introduction：International, multidisciplinary forum dedicated to research, development and applications of simulation.