FlightGear Flight Simulator: free open-source multiplatform flight sim
Physically accurate and validated GPU ray-tracer
A distributed flight sim and front end for JSBSim
A simulator for biological and physiological models
RetroPC-SIM is an Arduino project to help to understand how pc works
Ein Simulator für Registermaschinen
Ein Simulator für Turingmaschinen
An accurate, scalable, and energy-aware simulator for WSNs
action/combat flight sim