d20

Allows you to roll virtual dice. Not only that, but you could create your own custom dice. If you wanted to roll a dice with only even numbers between 50 and 100 who are also multiples of 7, you can. You also can make dice using words. Loss that special dice for that card game you like? You can create a virtual one. Can’t decide which restaurant you want to eat at? Put each one in the list and let it randomly pick one for you.