VTC is a leading provider of distributed simulation products and services, and provides critical technical solutions to many of the largest and most complex simulation programs in government and industry.
http://www.virtc.com
Artificial Intelligence and Simulation Group. The page contains summaries of ACIMS simulation projects, simulation links, and news. One of the main research projects is the Discrete Event Specification Formalism (DEVS).
http://www.acims.arizona.edu/
Model of the demand and profit functions. Shows the market parameters in function of advertising, price and other variables. Free download.
http://www.raczynski.com/pn/market.htm
The premier buyer's guide for operations research, management science professionals seeking software and consulting solutions.
http://lionhrtpub.com/orms/RD/RD-intro.html
Provider of molecular modeling and simulation software and services for both life and materials science research.
http://www.accelrys.com/
Electronic circuit simulator for the hobbyist. The site contains examples and evaluation programs for downloading.
http://www.bells-hill.freeserve.co.uk/
A brief overview of how GoldSim differs from three of the most common types of simulation software: discrete simulators, system dynamics programs, and probabilistic spreadsheet programs.
http://www.goldsim.com/products/Comparison.asp
OMNeT++ is an open-source, component-based simulation package designed for modeling communication networks, multi-processors and other distributed systems. It offers a large C++ simulation class library and strong GUI support (graphical network editing, animation, result visualization).
http://www.hit.bme.hu/phd/vargaa/omnetpp.htm