Humans Not Invited

What it does

Humans Not Invited is a CAPTCHA (Completely Automated Public Turing test to tell Computers and Humans Apart) that filters out humans and only lets programs pass. This is the first iteration of a system that we’re working on.

011010000111010101101101011000010110111001110011001000000110111001101111011101000010000001101001011011100111011001101001011101000110010101100100001011000010000001110111011001010110110001100011011011110110110101100101001000000110001001101111011101000111001100100001

• 
  Humans Not Invited 11111101010Jun 2026 · 11111101010.humansnotinvited.com · ▲14

  an agentic update for the Reverse CAPTCHA

• 
  DOOM Captcha2021 · vivirenremoto.github.io · ▲512

  Captchas don't have to be boring

• 
  Are You a Human?2013 · areyouahuman.com · ▲67

  Ending the CAPTCHA agony in a unique way.

• 
  Captcharoo2023 · captcharoo.com · ▲88

  Proof of humanity, check that you're not talking with an AI

• 
  No CAPTCHA reCAPTCHA2014 · cloud.google.com · ▲181

  Google's update to CAPTCHA just asks if you're robot

• 
  WeHateCaptchas2019 · ▲208

  Keep the bots out without annoying your users

• 
  SimCity, but with Permits▲907

  A free city-building game in your browser. You are the mayor. You know what the city needs. Now get it past the zoning board, the neighbors, the appeals court and the next election.

  Life & fun · 1d ago · permit.petercai.com

• IV
  I've been paying for a rural Tanzanian's education for 10 years▲778

  Life & fun · 13d ago · tanzaniaeducationproject.org

• 
  Bigwords.page – Turn any screen into a sign. The URL is the app▲728

  Turn a phone, tablet or TV into a sign. Type a message and it fills the screen: welcome signs, timers, Wi-Fi passwords and more. No app, no account, free.

  Life & fun · 14d ago · bigwords.page

• 
  Guitoro, a virtual guitar you strum with your keyboard▲573

  Play a free virtual guitar online with your keyboard or by touch. Slow songs down and see every chord, string and strum. Acoustic, classic, electric and bass.

  Life & fun · 8d ago · guitoro.com

• 
  See *almost* any carriers phone settings▲432

  Carrier settings from iPhone, Pixel and Galaxy firmware, decoded and compared: APNs, VoLTE, 5G and Wi-Fi Calling per carrier, and what each build changed.

  Life & fun · 12d ago · carrierexplode.com

• 
  The whole Solar System and every tracked satellite, live in the browser▲407

  Life & fun · 22d ago · space.bl2.net

• 
  Six Degrees of Wikipedia▲1,176

  Find the shortest hyperlinked paths between any two pages on Wikipedia.

  Life & fun · 2018 · sixdegreesofwikipedia.com

• 
  Witeboard▲1,017

  A real-time whiteboard for your team. No signups required.

  Dev tools · 2018 · witeboard.com

• 
  Product Hunt 4.0 for Mobile▲955

  Discover your next favorite thing, now on iOS and Android 📱

  Life & fun · 2018

• 
  PixelSnap▲945

  Measure every pixel on your screen with ease ✨

  Dev tools · 2018 · pixelsnap.com

• 
  Sip by Product Hunt▲933

  Daily tappable tech news and stories.

  Life & fun · 2018 · sip.fyi

• 
  Logo▲866

  Clean, simple, hassle-free logo design

  Growth · 2018 · logo.shapefactory.co