r/SaaS
- members
- 1.1M
- weekly activity
- 98K
Subreddit guides
Learn what each subreddit is for before you post there.
Rankhog's subreddit pages combine current public Reddit data, rule summaries, practical posting guidance, and the standards you need before publishing in a specific community.
r/startups
- members
- 3.5M
- weekly activity
- 210K
r/Entrepreneur
- members
- 4.2M
- active now
- live
r/ProductManagement
- members
- 280K
- weekly activity
- 25K
r/indiehackers
- members
- 160K
- weekly activity
- 11K
r/SideProject
- members
- 1.4M
- weekly activity
- 74K
r/smallbusiness
- members
- 1.9M
- active now
- live
r/marketing
- members
- 910K
- weekly activity
- 41K
Individual subreddit guides
Use these when you already have a target subreddit and need the rules, stats, and posting standard before drafting. 716 guides and counting; new communities get theirs automatically.
Showing 60 of the 60 guides on this page.
r/github
Technical product and developer communities
A source-backed Rankhog guide to r/github: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 213K
- Verified
- 2026-09-18
r/obs
Technical product and developer communities
A source-backed Rankhog guide to r/obs: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 212.7K
- Verified
- 2026-09-18
r/PowerBI
Analytics and data operators
A source-backed Rankhog guide to r/PowerBI: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 212.3K
- Verified
- 2026-09-18
r/sweatystartup
Entrepreneur advice and questions
A source-backed Rankhog guide to r/sweatystartup: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 211.7K
- Verified
- 2026-09-29
r/MusicRecommendations
Hobby and enthusiast communities
A source-backed Rankhog guide to r/MusicRecommendations: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 210.8K
- Verified
- 2026-09-18
r/Autoflowers
Cannabis cultivation communities
A source-backed Rankhog guide to r/Autoflowers: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 208.4K
- Verified
- 2026-09-30
r/quant
Quantitative finance professionals
A source-backed Rankhog guide to r/quant: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 206.5K
- Verified
- 2026-09-27
r/chrome
Browser users and Chrome enthusiasts
A source-backed Rankhog guide to r/chrome: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 206.1K
- Verified
- 2026-09-26
r/iOSProgramming
Technical product and developer communities
A source-backed Rankhog guide to r/iOSProgramming: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 205.9K
- Verified
- 2026-09-18
r/ycombinator
YC applicants and startup founders
A source-backed Rankhog guide to r/ycombinator: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 205.7K
- Verified
- 2026-09-29
r/Blogging
Content marketers and SEO operators
A source-backed Rankhog guide to r/Blogging: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 204.8K
- Verified
- 2026-09-26
r/pharmacy
Science and research communities
A source-backed Rankhog guide to r/pharmacy: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 204.7K
- Verified
- 2026-09-18
r/Semaglutide
GLP-1 medication support communities
A source-backed Rankhog guide to r/Semaglutide: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 204.5K
- Verified
- 2026-09-29
r/perplexity_ai
AI builders, operators, and researchers
A source-backed Rankhog guide to r/perplexity_ai: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 204.3K
- Verified
- 2026-09-18
r/content_marketing
Content marketers and SEO operators
A source-backed Rankhog guide to r/content_marketing: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 203.6K
- Verified
- 2026-09-29
r/freelanceWriters
Freelancers and independent service operators
A source-backed Rankhog guide to r/freelanceWriters: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 201.6K
- Verified
- 2026-09-28
r/fitness30plus
Health and fitness communities
A source-backed Rankhog guide to r/fitness30plus: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 200.2K
- Verified
- 2026-09-18
r/defi
Technical product and developer communities
A source-backed Rankhog guide to r/defi: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 198.3K
- Verified
- 2026-09-18
r/Upwork
Freelancers and independent service operators
A source-backed Rankhog guide to r/Upwork: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 198.3K
- Verified
- 2026-09-18
r/realtors
Real estate technology and proptech communities
A source-backed Rankhog guide to r/realtors: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 198K
- Verified
- 2026-09-18
r/editors
Freelancers and independent service operators
A source-backed Rankhog guide to r/editors: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 196.6K
- Verified
- 2026-09-18
r/ProductivityApps
Product feedback and launch validation
A source-backed Rankhog guide to r/ProductivityApps: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 195.1K
- Verified
- 2026-09-18
r/indiehackers
Bootstrapped SaaS founders and solo software builders
A source-backed Rankhog guide to r/indiehackers: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 194.8K
- Verified
- 2026-09-29
r/reactnative
Technical product and developer communities
A source-backed Rankhog guide to r/reactnative: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 188.8K
- Verified
- 2026-09-18
r/Entrepreneurs
Entrepreneur advice and questions
A source-backed Rankhog guide to r/Entrepreneurs: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 187.7K
- Verified
- 2026-09-18
r/Layoffs
Career and salary communities
A source-backed Rankhog guide to r/Layoffs: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 187.4K
- Verified
- 2026-09-27
r/informatik
Science and research communities
A source-backed Rankhog guide to r/informatik: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 184.1K
- Verified
- 2026-09-18
r/swingtrading
Personal finance and investing communities
A source-backed Rankhog guide to r/swingtrading: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 182.4K
- Verified
- 2026-10-13
r/Banking
Personal finance and investing communities
A source-backed Rankhog guide to r/Banking: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 182K
- Verified
- 2026-09-30
r/juststart
SEO operators, founders, and search marketers
A source-backed Rankhog guide to r/juststart: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 181.1K
- Verified
- 2026-09-26
r/ReverseEngineering
Technical product and developer communities
A source-backed Rankhog guide to r/ReverseEngineering: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 179.8K
- Verified
- 2026-09-18
r/AIAssisted
AI builders, operators, and researchers
A source-backed Rankhog guide to r/AIAssisted: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 179.1K
- Verified
- 2026-10-12
r/caloriecount
Health and fitness communities
A source-backed Rankhog guide to r/caloriecount: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 179K
- Verified
- 2026-09-18
r/pools
Homeowner and construction communities
A source-backed Rankhog guide to r/pools: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 177.7K
- Verified
- 2026-10-12
r/cscareerquestionsEU
Career and salary communities
A source-backed Rankhog guide to r/cscareerquestionsEU: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 177K
- Verified
- 2026-09-18
r/nextjs
Technical product and developer communities
A source-backed Rankhog guide to r/nextjs: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 175.2K
- Verified
- 2026-09-18
r/Barcelona
Local community and city subreddits
A source-backed Rankhog guide to r/Barcelona: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 173.8K
- Verified
- 2026-09-30
r/Mortgages
Homeowner and construction communities
A source-backed Rankhog guide to r/Mortgages: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 172.8K
- Verified
- 2026-09-22
r/AskMarketing
Marketing and growth communities
A source-backed Rankhog guide to r/AskMarketing: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 172K
- Verified
- 2026-09-29
r/LLMDevs
AI builders, operators, and researchers
A source-backed Rankhog guide to r/LLMDevs: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 172K
- Verified
- 2026-09-26
r/merval
Personal finance and investing communities
A source-backed Rankhog guide to r/merval: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 170.9K
- Verified
- 2026-10-03
r/Flights
Marketing and growth communities
A source-backed Rankhog guide to r/Flights: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 170.4K
- Verified
- 2026-09-18
r/aiwars
AI builders, operators, and researchers
A source-backed Rankhog guide to r/aiwars: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 169.6K
- Verified
- 2026-09-27
r/Marathon_Training
Health and fitness communities
A source-backed Rankhog guide to r/Marathon_Training: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 169K
- Verified
- 2026-09-18
r/workingmoms
Local community and city subreddits
A source-backed Rankhog guide to r/workingmoms: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 168.2K
- Verified
- 2026-09-18
r/Dentistry
Dental professionals and oral healthcare practitioners
A source-backed Rankhog guide to r/Dentistry: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 166.5K
- Verified
- 2026-09-26
r/django
Technical product and developer communities
A source-backed Rankhog guide to r/django: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 166K
- Verified
- 2026-09-18
r/Perimenopause
Health and fitness communities
A source-backed Rankhog guide to r/Perimenopause: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 165.6K
- Verified
- 2026-09-27
r/css
Technical product and developer communities
A source-backed Rankhog guide to r/css: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 165.4K
- Verified
- 2026-09-18
r/Coloring
Hobby and enthusiast communities
A source-backed Rankhog guide to r/Coloring: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 164.3K
- Verified
- 2026-09-27
r/softwaredevelopment
Technical product and developer communities
A source-backed Rankhog guide to r/softwaredevelopment: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 164.2K
- Verified
- 2026-09-27
r/grandrapids
Local community and city subreddits
A source-backed Rankhog guide to r/grandrapids: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 162.8K
- Verified
- 2026-10-12
r/react
Technical product and developer communities
A source-backed Rankhog guide to r/react: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 158.5K
- Verified
- 2026-09-26
r/GrowthHacking
Marketing and growth communities
A source-backed Rankhog guide to r/GrowthHacking: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 158.4K
- Verified
- 2026-09-29
r/cursor
AI builders, operators, and researchers
A source-backed Rankhog guide to r/cursor: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 158K
- Verified
- 2026-09-29
r/Automate
AI builders, operators, and researchers
A source-backed Rankhog guide to r/Automate: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 157.9K
- Verified
- 2026-10-12
r/beginnerrunning
Health and fitness communities
A source-backed Rankhog guide to r/beginnerrunning: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 157.3K
- Verified
- 2026-09-18
r/Greenhouses
Hobby and enthusiast communities
A source-backed Rankhog guide to r/Greenhouses: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 154.2K
- Verified
- 2026-10-12
r/browsers
Technical product and developer communities
A source-backed Rankhog guide to r/browsers: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 154.1K
- Verified
- 2026-09-26
r/moderatelygranolamoms
Health and fitness communities
A source-backed Rankhog guide to r/moderatelygranolamoms: public rules, community context, posting fit, and startup-promotion risk before you publish.
- Members
- 154.1K
- Verified
- 2026-09-18