Science fiction readers: communities and participation rules
They read science fiction and enjoy discussing imagined technologies, future societies, and alien civilizations.
Related communities · 156
Places with a sampled week come first, followed by recorded membership. Membership is neither activity nor a recommendation score.
- r/logh13k members · 2025-01
- Language
- English
- Introducing a product
- Not established
No original wording is recorded for this action, so permission cannot be established here.
Rules and sources →Discussion sample availableWhy this appears
Listed through a recorded audience relationship. Demand for your product has not been verified here.
Every post of 2026-09 in Reddit's public archive (Arctic Shift's monthly file); up to 60 posts a place, fixed by the hash of the post's id, judged one by one by Jev: written by one of these people, and showing one's own work; still up as the archive's second look a day and a half later found it.
View source · record organized October 15, 2026 - r/CoreCyberpunk13k members · 2025-01
- Language
- English
- Introducing a product
- Not established
Recorded rule excerptOC is permitted just don't overdo it
Rules and sources →Discussion sample availableWhy this appears
Listed through a recorded audience relationship. Demand for your product has not been verified here.
Which groups each place is for, judged by a model on the place's own description in the list; no posts read.
View source · record organized October 14, 2026Recorded rule excerpt · View source · record organized October 14, 2026
- r/coconutsandtreason13k members · 2025-01
- Language
- English
- Introducing a product
- Not established
Recorded rule excerptSelf created content, such as fan-art/fan-edits, are allowed.
Rules and sources →Discussion sample availableWhy this appears
Listed through a recorded audience relationship. Demand for your product has not been verified here.
Which groups each place is for, judged by a model on the place's own description in the list; no posts read.
View source · record organized October 14, 2026Recorded rule excerpt · View source · record organized October 14, 2026
- r/chronohawk12k members · 2025-01
- Language
- English
- Introducing a product
- Not established
No original wording is recorded for this action, so permission cannot be established here.
Rules and sources →Discussion sample availableWhy this appears
Listed through a recorded audience relationship. Demand for your product has not been verified here.
Every post of 2026-09 in Reddit's public archive (Arctic Shift's monthly file); up to 60 posts a place, fixed by the hash of the post's id, judged one by one by Jev: written by one of these people, and showing one's own work; still up as the archive's second look a day and a half later found it.
View source · record organized October 15, 2026 - r/ImaginaryArrakis12k members · 2025-01
- Language
- English
- Introducing a product
- Not established
No original wording is recorded for this action, so permission cannot be established here.
Rules and sources →Discussion sample availableWhy this appears
Listed through a recorded audience relationship. Demand for your product has not been verified here.
Which groups each place is for, judged by a model on the place's own description in the list; no posts read.
View source · record organized October 14, 2026 - r/cryosleep12k members · 2025-01
- Language
- English
- Introducing a product
- Not established
No original wording is recorded for this action, so permission cannot be established here.
Rules and sources →Discussion sample availableWhy this appears
Listed through a recorded audience relationship. Demand for your product has not been verified here.
Which groups each place is for, judged by a model on the place's own description in the list; no posts read.
View source · record organized October 14, 2026 - r/SouthernReach12k members · 2025-01
- Language
- English
- Introducing a product
- Not established
No original wording is recorded for this action, so permission cannot be established here.
Rules and sources →Discussion sample availableWhy this appears
Listed through a recorded audience relationship. Demand for your product has not been verified here.
Which groups each place is for, judged by a model on the place's own description in the list; no posts read.
View source · record organized October 14, 2026 - r/QueerSFF11k members · 2025-01
- Language
- English
- Introducing a product
- Not established
Recorded rule excerptThis is primarily a discussion-based subreddit
Rules and sources →Discussion sample availableWhy this appears
Listed through a recorded audience relationship. Demand for your product has not been verified here.
Which groups each place is for, judged by a model on the place's own description in the list; no posts read.
View source · record organized October 14, 2026Recorded rule excerpt · View source · record organized October 14, 2026
- r/exfor11k members · 2025-01
- Language
- English
- Introducing a product
- Not established
Recorded rule excerptStay on topic—Exfor only!
Rules and sources →Discussion sample availableWhy this appears
Listed through a recorded audience relationship. Demand for your product has not been verified here.
Which groups each place is for, judged by a model on the place's own description in the list; no posts read.
View source · record organized October 14, 2026Recorded rule excerpt · View source · record organized October 14, 2026
- r/198411k members · 2025-01
- Language
- English
- Introducing a product
- Not established
Recorded rule excerptNo spam or self-promotion of any kind
Rules and sources →Discussion sample availableWhy this appears
Listed through a recorded audience relationship. Demand for your product has not been verified here.
Which groups each place is for, judged by a model on the place's own description in the list; no posts read.
View source · record organized October 14, 2026Recorded rule excerpt · View source · record organized October 14, 2026
- r/Blacklibrary11k members · 2025-01
- Language
- English
- Introducing a product
- Not established
Recorded rule excerptCommonly asked question, repost or question answered in the new librarian stickies.
Rules and sources →Discussion sample availableWhy this appears
Listed through a recorded audience relationship. Demand for your product has not been verified here.
Every post of 2026-09 in Reddit's public archive (Arctic Shift's monthly file); up to 60 posts a place, fixed by the hash of the post's id, judged one by one by Jev: written by one of these people, and showing one's own work; still up as the archive's second look a day and a half later found it.
View source · record organized October 15, 2026Recorded rule excerpt · View source · record organized October 14, 2026
- r/Warformed11k members · 2025-01
- Language
- English
- Introducing a product
- Not established
Recorded rule excerptPosts must provide original thoughts, questions, ideas, news, or interpretations of the books that can be discussed by the community.
Rules and sources →Discussion sample availableWhy this appears
Listed through a recorded audience relationship. Demand for your product has not been verified here.
Which groups each place is for, judged by a model on the place's own description in the list; no posts read.
View source · record organized October 14, 2026Recorded rule excerpt · View source · record organized October 14, 2026
After finding a community, find the conversations worth joining.
Hmm uses your product’s context to find relevant discussions, prepare replies and follow responses after you send. ahahmm has not launched yet; Mac comes first, with Windows in development.