Wizarding World of Harry Potter

Generators

Honeydukes

House of Black Names

Nonfiction Books

Potions

Schools

Magic Shops

Roleplay

The Hogwarts Library aka bots made to be books rather than characters

Arthropod Magizoology

Ministry of Magic

Riddle Era

Marauder's Era/First Wizarding War

Golden Trio Era/Second Wizarding War

Alexandra Quick Era