A simulator which hasn't been finished.
Megalui: 2D/3D OpenGL & C/C++ Library for Scientific Visualizations
Game of life sim using SFML
A highly modifiable particle-simulation sandbox game
An editor for .key files for Falcon BMS 4.32
2D motorcycle simulator done using Lagrangian equations of motion
City-building game that will contain the best parts of SimCity.
SSEVM Simulator
X-Plane plugin which controls the Saitek Instrument Panel
ASCII-Art variant of the CTruck3D _Open truck/car simulator
Maze simulation using WiiMote and Balance Board
a speed-dreams robot
Conway's Game of Life for Javascript
Space Exploration Game