Rolz - Free dice-rolling tools for role-playing games.
Yahtzee Master - The Game of Yahtzee online or offline.
Play Online Dice Games - Play online dice games like Yahtzee, Pig, Farkle, Balut, Snakes and Ladders, Generala for free.
Dice with Buddies - Play against family and friends anytime, anywhere.
Yachty - Classic dice game played solo offline or online.
RANDOM.ORG - RANDOM.ORG offers true random numbers to anyone on the Internet.