The Repast Suite is a family of free agent-based modeling libraries.
MGSyn - Automatic Synthesis for Industrial Automation
(RoboSim) Java based Robot Localization and Path Planner Simulator.
Modeling and Simulation made NiCE!
Accurate and efficient Java library that simulates biological models
An electromechanical computer simulation.
A simulation environment for physiology models simulation
Tool to format NetLogo code
Framework for Agent-oriented MOdelling and Simulation
Web-based editor for the Gateway Description Language (GDL).
A DLX/MIPS processor simulator
Prototype editor for the SDEM Mapping Language
Tools for distributed simulation