If you are a tech related person I like hachyderm.io
AskBeehaw
An open-ended community for asking and answering various questions! Permissive of asks, AMAs, and OOTLs (out-of-the-loop) alike.
In the absence of flairs, questions requesting more thought-out answers can be marked by putting [SERIOUS] in the title.
Subcommunity of Chat
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Second that. Hachyderm was the community that got me into the fediverse and it’s remained extremely high quality as it’s grown. The mods are thoughtful and—as far as I can tell—transparent.
I joined mastodon.social and just haven’t had the energy to switch (I wish you could bring your posts with you)
But hachyderm sounds awesome
Mapstodon also neat for map folks
If you like art, mastodon.art.
I like fosstodon.org
I'm a mod on mendeddrum.org, for all the Pratchett aficionados out there. It's pretty chill, our admin doesn't tolerate any kind of dick behaviour, and it's nice.