Are there any Sci-Fi writers communities on the Fediverse already?
I see there are hash-tag such as:
• #SciFiFridays
• #SciFiSaturdays
• #SciFiSundays
But, I am not noticing people posting their own sci-fi stories or videos there.
Maybe they exists already, and I'm not looking at the right places.
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UPDATE: #MicroFiction and #TootFic seem to be pretty active.
wandering.shop has been here since April 2017. LITERALLY founded by/for SF&F fans and writers to keep the vibe going between cons.
Lots of workshopping, chatter, and writing prompts as well as the hashtags you mention + other niche ones on the local timeline.
Also prone to much randomness and creative nonsense of all genres. For some reason I landed there following knitters and AI Weirdness (Janelle Shane).
BTW if anyone wants to join that instance, it's invite-only but we consider it more like "say hello and someone'll hold the door wide open". Sort of a communal know-your-client model, it works REALLY well for sustainable growth and a "new friends at book club/coffeeshop" vibe.
Fling a message @proprietor . Can also just cruise the local public timeline and see who looks fun, though unfortunately some of our notable members stay out of discoverability now. (spam/fishing/harassment)
@reiver ⊼ (Charles) 
Johanna, CanCon variety