ClapChat – Instant messaging for HN users

In plain words

ClapChat is an instant messaging platform designed specifically for Hacker News users. Launched in 2016, it provides real-time communication features tailored to the HN community. The service allows users to connect and chat directly with others who share similar interests in technology, startups, and entrepreneurship. ClapChat serves as a dedicated messaging space for HN community members seeking quick conversations beyond the main forum.

written from the facts on this page · September 2026

• HC
  HN Chat – Minimal Hacker News Chat with User Verification2016 · hnchat.com · ▲180
• 
  Login with HN (Unofficially)2022 · loginwithhn.com · ▲436

  (Unofficial) Login with HackerNews

• HR
  HN Replies – Get notified of replies to your comments2016 · hnreplies.com · ▲217
• QA
  Q&A for HN users2012 · askolo.com · ▲142
• ID
  I Designed this HN Mac App – Should I develop it?2013 · hackernewstab.com · ▲86
• 
  HNSChat2023 · ▲3

  Handshake Chat

• 
  SimCity, but with Permits▲922

  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 · 2d ago · permit.petercai.com

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

  Life & fun · 14d 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 · 15d 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 · 9d 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 · 13d ago · carrierexplode.com

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

  Life & fun · 23d ago · space.bl2.net

• 
  Amazon Go▲1,578

  Amazon stores with no lines or checkout 🛍

  AI · 2016 · amazon.com

• 
  Gomix▲842

  The easiest way to build the app or bot of your dreams

  AI · 2016

• 
  Slack Video Calls▲773

  Talking face-to-face with your team is just one click away

  Work · 2016 · slack.com

• 
  Auto-Layout for Sketch▲666

  Responsive design for Sketch

  Work · 2016 · animaapp.github.io

• 
  CakeResume v2 - Online Resume Builder▲662

  What's your workplace flavor? Join 10M+ users and take the free personality test to find out. Discover your workplace strengths and ideal career path in under 3 minutes with our CPTI™ assessment, based on the Myers-Briggs framework.

  Dev tools · 2016 · cake.me

• 
  Viral Loops for Startups▲656

  Virality for startups made easy 💪

  Growth · 2016 · viral-loops.com