There are quite a few in the anime space. I have been meaning to put a list together for some time. There is an old post here put together by a user, but I don’t think it is really that up to date. So, here are the communities that I directly know of and have interacted with:

• [email protected] - Delicious in Dungeon
• [email protected] - The Apothecary Diaries
• [email protected] - Frieren: Beyond Journey’s End
• [email protected] - Dragon Ball
• [email protected] - Dan Da Dan
• [email protected] - Gundam stuff
• [email protected] - Gundam stuff
• [email protected] - My Deer Friend Nokotan
• [email protected] - A Certain Magical Index (and related series)
• [email protected] - Ascendance of a Bookworm
• [email protected] - Bocchi the Rock
• [email protected] - Overlord