Not sure these are communities that I would like to see on Lemmy necessarily, but they are stuff that I have no space to discuss here:

• political organization design
• fermentation
• fine dining and cooking
• videogames design theory and videogames critique

I’d love to see more cycling related stuff. Like xbiking, fixed gear, …

Gore

I think we need less while traffic is low. Like a hobbies group instead of a lot of smart communities that are more specific.

Specific story related ones. Eg His Dark Materials, Avatar The Last Airbender, Cosmere

A r/LetGirlsHaveFun and an r/LetBoysBeManipulated 🥺

More skincare

I’d also like to see more hobby based ones. Agree on the diy/gardening/recycling and non waste.

I hate Reddit but they were always good for outsider tech stuff like the specific game (e.g sims) community or stremio etc when you just need an answer or a bit of support fixing or configuring something.

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almost collected the whole set of my diagnoses with autism and bipolar communties… now just need a borderline personality disorder one

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There’s some specific ones I miss from Reddit. Stuff for sites like Letterboxd, Serializd, and Backloggd. One for cartoons would be nice (I searched, but the only thing I found here was one for comics). Not sure if there’s a community here that would be good to ask for recommendations in for like TV shows and videogames.

Worldbuilding. There are communities for it but they’re not very active.

One can’t have enough on diy and repair/restoration

I would kill for a lemmy alternative to /r/AskHistorians, but it requires a very dedicated moderation team, and I don’t know that the user base here is large enough to support it.