3D driving simulation based on Open Dynamics Engine
The Clue! / Der Clou!
Open source model airplane simulator
open game world to be set in a realistic environment
3D vehicle simulator based on Lagrangian dynamics to simulate dynamics
realistic truck simulator with 3D graphics done from zero
Megalui: 2D/3D OpenGL & C/C++ Library for Scientific Visualizations
2D motorcycle simulator done using Lagrangian equations of motion
ASCII-Art variant of the CTruck3D _Open truck/car simulator