http://www.cetest.nl/zips/acs.zip
Build your own interactive simulation and publish it as Java applet on the web. AgentSheets is an agent-based simulation-authoring tool. The user community ranges from elementary school kids to professional scientists.
http://www.agentsheets.com
A lightweight simulation data visualization tool distributed under the GNU GPL (free).
http://visu.sourceforge.net/home.en.html
a modeling and simulation program
http://www.20sim.com/
Software for simulation and modeling of wastewater treatment plants
http://www.scitrav.com/wwater/
Useful links to simulation tools, used in discrete event simulation and applications in animated battle simulations.
http://www.ultimatebattles.com/links/Simulation_Software/
THUD is a register transfer level (RTL) simulation environment optimized for cycle-based designs.
http://www.glug.org/people/ttn/software/thud/
Providers of software development services and training related to the development of distriubted simulation applications. Also producters of GL Studio, a realtime OpenGL source code development tool.
http://www.simulation.com