Colonize the New World.
RTS game with the theme of Strategy by Design
GEDKeeper - opensource and crossplatform genealogy management program
An enhanced version of 7K:AA (Seven Kingdoms: Ancient Adversaries).
A free Chess program for Windows with a large set of features
Chess pairing program for run through and round robin tournaments
A 3D simulator game where you can drive, fly, and sail
The IRC's Talking Robot
Nurikabe, a great game.