Originally from this HN post which referenced this HN post . Special thanks to TripHappy for letting me use their updated list from this blog post.
- /r/AlphaandBetausers - https://www.reddit.com/r/alphaandbetausers/
- /r/Coupons - https://www.reddit.com/r/coupons/
- /r/DesignCritques - https://www.reddit.com/r/design_critiques/
- /r/Entrepreneur - http://reddit.com/r/entrepreneur
- /r/IMadeThis - http://reddit.com/r/imadethis
- /r/IndieBiz - https://www.reddit.com/r/indiebiz/
- /r/LadyBusiness - https://www.reddit.com/r/ladybusiness/
- /r/RoastMyStartup - https://www.reddit.com/r/roastmystartup
- /r/ShamelessPlug - https://www.reddit.com/r/shamelessplug/
- /r/SideProject - http://reddit.com/r/sideproject
- /r/SmallBusiness - https://www.reddit.com/r/smallbusiness/
- /r/Startups - http://reddit.com/r/startups
- 101 Best Websites - http://www.101bestwebsites.com/
- Addictive Tips - http://www.addictivetips.com/
- AdHipster - https://adhipster.com/
- All My Faves - http://www.allmyfaves.com/
- All Startups - http://www.allstartups.info/Startups/Submit
- All Top Startups - http://alltopstartups.com/submit-startup/
- Alternative To - http://alternativeto.net/
- Angel List - https://angel.co/join
- App 400 - http://apps400.com/
- App Advice - http://appadvice.com/page/about-us
- App Appeal - http://www.appappeal.com/contact/suggest
- App Rater - https://apprater.net/add/
- App Storm - http://formstack.com/forms/envato-appstorm_review
- Appcrawlr - http://appcrawlr.com/
- Appoid - http://appiod.com/submit-app-for-review/
- appPicker - http://www.apppicker.com/
- Apps 400 - http://apps400.com/submit-your-application-for-review
- Apps Listo - http://appslisto.com/submit-your-app/
- Apps Mamma - http://appsmamma.com/submit-your-app/
- Apps Mirror - http://www.appsmirror.com/submit-your-app-for-review
- AppsNow - http://appsnow.us/submit-app-for-review/
- AppsThunder - http://appsthunder.com/submit-your-app/
- AppStorm - http://appstorm.net/
- Appvita - http://www.appvita.com/
- AppZapp - http://www.appzapp.net/en/app-review-request/
- Arctic Startup - http://arcticstartup.com/
- Beta Bound - http://www.betabound.com/announce/
- Beta Page - https://betapage.co/
- Betafy - https://www.betafy.co/easysignup/startup
- BetaList - https://betalist.com/submit
- Beterest - https://beterest.com/submit-startup/
- Boing Boing - http://boingboing.net/sub/
- BreakPoint - https://breakpoint.io/new/
- BuiltInChicago - http://www.builtinchicago.org/send-us-tip
- Capterra - http://www.capterra.com/vendors/sign-up
- Cloud Surfing - http://www.cloudsurfing.com/
- CloudBook - http://www.cloudbook.net/directories/product-services/product-company-search.php
- CloudShowPlace - http://www.cloudshowplace.com/add-your-company/
- Cnet - https://upload.cnet.com/
- Collaborizm - https://www.collaborizm.com
- Crazy About Startups - http://www.crazyaboutstartups.com/index.php/share-your-startup-form
- CrozDesk - https://vendor.crozdesk.com/user/signup
- Crunch Base - https://www.crunchbase.com/#/home/index
- CSS Mania - http://www.cssmania.com/submit/
- Designer News - https://www.designernews.co/
- Digg - http://digg.com/submit
- Discova - http://www.discova.co/
- Discover Cloud - https://www.discovercloud.com/become-a-vendor
- Erlibird - https://erlibird.com/beta-testing
- F6S - http://www.f6s.com/
- Feed My App - https://feedmyapp.com/submit/
- FireSpotting - http://firespotting.com/submit
- G2 Crowd - https://www.g2crowd.com/products/new
- Geek Wire - http://geekwire.com/startup-list/
- Geekopedia - http://geekopedia.me/startupsubmit
- Get App - http://getapp.com/
- Getworm - https://getworm.com/submit-startup
- Gust - https://www.gust.com
- Hackerstreet - https://in.thehackerstreet.com/
- Haro - https://www.helpareporter.com/sources/
- I Am Wire - http://www.iamwire.com/startups/user/register?uType=Entrepreneur
- Idea Hunt - http://ideahunt.io/
- Inc 42 - https://inc42.com/startup-submission/
- Index.co - https://index.co/startup
- Just Gone Live - http://www.justgonelive.com/add-listing
- Killer Startups - http://killerstartups.com/submit-startup/
- Land-book - https://land-book.com/guidelines
- Launching Next - http://www.launchingnext.com/submit/
- Launch List - https://launchlister.com/submit-startup
- Launched - https://launched.io/SubmitStartup
- MakeUseOf - http://www.makeuseof.com/about/
- Maqtoob - https://maqtoob.com/submit-a-tool
- Mevvy - https://mevvy.com/submit-app/
- Mobilzed - https://www.moblized.com/vendors/register
- Museum of Modern Beta - http://momb.socio-kybernetics.net/about
- Netted - https://www.netted.net/contact-us/
- New-Startups - http://www.new-startups.com/submit/
- Next Big Product - http://nextbigproduct.net/product-submission/
- Next Big What - http://nextbigwhat.com/
- Nibletz - http://www.nibletz.com/submit-startup
- On the App - http://ontheapp.com/about/
- Paggu - http://www.paggu.com/submit-your-startup/
- pFind - http://www.pfind.com/submit
- Pineapple - http://pineapple.io/resources/new
- Postscapes - http://about.postscapes.com/tools
- PreApps - http://www.preapps.com/
- Product Hunt - http://www.producthunt.com/
- Programmable Web - https://www.programmableweb.com/news/how-to-pitch-programmableweb-covering-your-news/2016/11/18
- PublicityX - https://www.publicityx.com/startups/new
- Rate My Startup - http://ratemystartup.com/submit-your-startup/
- Really-aweso.me - http://www.really-aweso.me/submit-your-startup/
- Reikut - https://reikut.com/
- Rev 2 - http://www.rev2.org/
- Robingood - http://tools.robingood.com/
- Show HN - https://news.ycombinator.com/showhn.html
- Side Projectors - https://www.sideprojectors.com
- Side Projects - http://sideprojects.web3canvas.com
- Signup First - http://signupfirst.com/
- SimilarSites - http://www.similarsites.com/
- SimilarSiteSearch - http://www.similarsitesearch.com/tips.html
- Slant - https://www.slant.co/
- SnapMunk - https://www.snapmunk.com/submit-your-startup/
- Software Advice - https://softwareadvice-markets.questionpro.com/
- Springwise - http://springwise.com/tipus/
- Stack Share - http://stackshare.io/
- Start HQ - https://starthq.com/apps/submit
- Start-ups - http://www.start-ups.co/startup-interview-questionnaire/
- Startup 88 - https://startup88.com/
- Startup Base - https://startupbase.io/submit
- Startup Beat - http://startupbeat.com/startup-beat-featured-startup-pitch-guidelines/
- Startup Buffer - http://startupbuffer.com
- Startup Collections - http://startupcollections.com/
- Startup Dope - http://startupdope.com/submit-news/
- Startup Inspire - https://www.startupinspire.com/submit
- Startup Lift - http://www.startuplift.com/
- Startup Ranking - http://www.startupranking.com/
- Startup Register - http://startupregister.net/register-your-startup/
- Startup Resources - https://startupresources.io
- Startup Stash - http://startupstash.com/
- Startup Tabs - http://startuptabs.com/
- Startup88 - http://startup88.com/
- StartupBlink - http://www.startupblink.com/
- State of Tech - http://stateoftech.net/advertise?submit-an-app-for-review
- Stumbleupon - http://www.stumbleupon.com/submit
- Tabscape - https://www.tapscape.com/
- Tech Crunch - https://techcrunch.com/got-a-tip/
- Tech Faster - http://techfaster.com/submit-your-company/
- Tech Greet - http://www.techgreet.com/submit-your-tech-startup/
- Tech Map - http://thetechmap.com/
- Tech Pluto - http://www.techpluto.com/submit-a-startup/
- Tech Tips - http://techattitude.com/contact/
- The Changelog - https://github.com/thechangelog/ping
- The iPhone Mom - https://www.theiphonemom.com/
- The Startup Pitch - http://thestartuppitch.com/post-a-pitch/
- Top Alternatives - https://topalternatives.com/
- Top Similar Sites - http://www.topsimilarsites.com/add.aspx
- Trust Radius - https://www.trustradius.com/
- Vator - http://www.vator.tv/
- VB Profiles - http://vbprofiles.com/
- Venture Beat - http://venturebeat.com/news-tips/
- Venture Bin - http://www.venturebin.com/submit-venture/
- Venture Break - http://venturebreak.com/questions/
- Web App Rater - http://www.webapprater.com/webapprater-free-app-review
- Webmenu - http://webmenu.org/
- Ycombinator - https://news.ycombinator.com/
- YouNoodle - https://ww2.younoodle.com/startups/
- Your Story - https://profiles.yourstory.com/
To the extent possible under law, Matt McCaffrey has waived all copyright and related or neighboring rights to this work.