D20Site: Tools of the Trade

Dice Rollers and Other Random Generators

Wizards of the Coast dice roller is simple and easy to use

• https://www.wizards.com/dnd/dice/dice.htm

RPG Library includes the ability to email the result to the GM

• https://www.rpglibrary.org/software/securedice/

RolZ offers Dice Rooms for online live action play where all the players can see all the rolls:

• https://rolz.org/

Random Encounters engine:

• https://donjon.bin.sh/d20/encounter/

Random Weather engine:

• https://donjon.bin.sh/d20/weather/

Virtual Table Tops for Online Gaming

Roll20 -- you can start for free

• https://roll20.net/

Fantasy Grounds -- costs money, but well rated

• https://www.fantasygrounds.com/home/home.php