FlightGear Flight Simulator: free open-source multiplatform flight sim
The A32NX & A380X Project are community driven open source projects
Model-rocketry aerodynamics and trajectory simulation software
A network server for the flightgear simulator
Enigma Encryption Simulator in Java
Component, CA, and CCA models; superdense time, DB repo, testing, etc.
Simulator for medical emergency departments
Automates the building of VANET simulations using SUMO and OMNeT++
A distributed flight sim and front end for JSBSim
A simulator for drones, cars and more, built on Unreal Engine
A wireless push-type network simulator.
Modbus slave simulator
RSSceSim - Reputation System Scenario Simulator
Advanced 2D simulator for evolving harmonical waves.
Allows you to build your own circuits and test them
Visual & persistent families of models for CA, DEVS, and Statecharts
The Future of the Java Circuit Simulator
Simulate high power rocket flights with splash down plots
YASimCommander is a platform-independent editor for YASIM files.
(RoboSim) Java based Robot Localization and Path Planner Simulator.
MGSyn - Automatic Synthesis for Industrial Automation