SuperTuxKart is a 3D kart racing game that is intended to be more fun than it is realistic. You can play with up to four friends on one PC, racing against each other, or just try to beat the computer.
OpenTTD is a clone of the Microprose game "Transport Tycoon Deluxe", a popular game originally written by Chris Sawyer. It attempts to mimic the original game as closely as possible while extending it with new features.
A credit risk modeling calculator.
A program that monitors the state of mirrors.