Rolz - Free dice-rolling tools for role-playing games.
Wheel Decide - Wheel Decide is a free to use web-based spinner platform that allows the people create their own digital wheels system for prize giveaways, decision making, games and much more.
Open Yahtzee - A cross-platform Yahtzee game.
RANDOM.ORG - RANDOM.ORG offers true random numbers to anyone on the Internet.
Kiriki - Kiriki is a dice game for Linux distributed by KDE, based on the popular analog dice game called Yahtzee. Designed to be played by as many as six players, participants have to collect points by rolling five dice for up to three times per turn.
Wheel of Names - Free and easy to use spinner. Used by teachers and for raffles. Enter names, spin wheel to pick a random winner. Customize look and feel, save and share wheels.