All in One Yahtzee
An advanced version of the classic dice game. Includes variations like original American Yahtzee, Swedish Yahtzee, Maxi Yahtzee (6 dice), Triple Yahtzee (3 columns) and Kismet (colors).
DiceDeluxe
Windows shareware game, includes undo, average count, sounds and a saved highscore list.
GameSpot: Ultimate Yahtzee
Reviewed by Trent C. Ward, [6.1/10]. "Yahtzee is Yahtzee, and the addition of a computer screen and mouse doesn't really change that."
YAKzee
Windows shareware version of the game Yacht. Offers information, and downloads.