MasterScreen - MasterScreen is the ultimate set of tools for running tabletop or online roleplay campaigns and managing intricate fictional worlds. Free for everyone.
Roll20 - Roll20 is a suite of easy-to-use digital tools that expand pen-and-paper gameplay.
D&D Beyond - Official online toolset for Dungeons & Dragons tabletop gaming
Tabletop tools - Handy tool collection for tabletop games
Foundry Virtual Tabletop - A self-hosted, modern, and developer-friendly roleplaying platform.
Fantasy Grounds - Fantasy Grounds is a virtual tabletop to help facilitate play of tabletop-style role-playing games...