Roll20 - Roll20 is a suite of easy-to-use digital tools that expand pen-and-paper gameplay.
GetReal - Meet new people, in person
Astral Tabletop - Create, host, and manage your tabletop role-playing games — online or in person
Quarantine Together - Meet new people virtually and stay connected in quarantine
D&D Beyond - Official online toolset for Dungeons & Dragons tabletop gaming
The Breakfast - Bring new awesome people to your life