RSSceSim - Reputation System Scenario Simulator
Allows you to build your own circuits and test them
MGSyn - Automatic Synthesis for Industrial Automation
Simulator of G/G/k queue systems used in computer networks.
The Project moved to github https://github.com/EnFlexIT/AgentWorkbench
A simulation environment for physiology models simulation
Simple physics simulation of Curvilinear and Rectilinear Motions
ActiveFolder can be integrated with existed scientific computation.