Linux for Arduino and Makers developers
Direct Simulation Monte Carlo (DSMC) Simulator
Highly realistic and immersive model for Flightgear.
3D Space Station Simulator (inspired by SS13)
Fractal planet and terrain generator
Virtual paper folding program
Simulate high power rocket flights with splash down plots
A 3D simulator game where you can drive, fly, and sail
The Vienna Topography Simulator
a very lightweight advanced terrain-rendering and 3D map rendering sys
extreme 3D flight simulator with advanced terrain rendering
Articulated-body simulation engine written in C
A highly flexible 3D flocking boids simulator, conceived as a tool for
Matlab interface to the Open Dynamics Engine (ODE)
A free driving simulator.
Billiard table simulator
action/combat flight sim
A train simulator wroten in Java.
A web-browser based viewer for opensim/OpenSimulator