Frevo is probably the simplest tool for evolutionary design
C++ Library for the Common Image Generator Interface
Component, CA, and CCA models; superdense time, DB repo, testing, etc.
Parallel coupled multiphysics simulation application
The Repast Suite is a family of free agent-based modeling libraries.
(RoboSim) Java based Robot Localization and Path Planner Simulator.
Distributed Network emulation tool for high rate packet
PetriNetExec a library for embedding Petri Nets into Java applications