Colapp

What it does

Colapp, is an mobile social networking application, where users all across the globe are able to connect, match and collaborate with their peers through their mutual interests and hobbies.

• 
  Chapp2014 · ▲141

  Real-time, topic-based chat (long live IRC!)

• CI
  Chapp is topic-based chat2014 · chapp.is · ▲52
• 
  Tupple2021 · tupple.ai · ▲78

  The virtual friend that helps you create together

• 
  coapp2025 · coapp.io · ▲32

  One App for your Community: Events, Memberships & Revenue

• 
  Colanode, open-source and local-first Slack and Notion alternative2025 · github.com · ▲147

  Hey HN, I'm Hakan, the founder of Colanode (https://github.com/colanode/colanode), an open-source, local-first collaboration app combining the best of Slack-style chats and Notion-style note-taking, fully self-hostable for complete data control. Here's a quick demo: https://www.youtube.com/watch?v=wp1hoSCEArg As a heavy Notion user, I often found it tough to get my teams fully onboard since people naturally gravitate toward chat for quick interactions. Maintaining context between chat apps like Slack and documentation apps like Notion became increasingly…

• 
  BeepApp!2015 · beepapp.org · ▲80

  The first communication app that only young people can use

• 
  SimCity, but with Permits▲939

  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 · 7d ago · permit.petercai.com

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

  Life & fun · 19d 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 · 20d ago · bigwords.page

• 
  Steal My Bitcoin▲616

  A PHP security challenge. Find the hidden bitcoin key. First person to get the wallet wins.

  Life & fun · 3d ago · stealmybitcoin.com

• 
  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 · 14d ago · guitoro.com

• 
  Product Hunt Visual Launch Editor▲443

  See your launch as you build it

  Life & fun · 4d ago

• 
  remove.bg▲2,028

  Remove image backgrounds automatically in 5 seconds with just one click. Don't spend hours manually picking pixels. Upload your photo now & see the magic.

  Work · 2018 · remove.bg

• 
  Humaaans▲1,592

  Mix-&-match illustrations of humans with a design library.

  Growth · 2018 · humaaans.com

• 
  Refactoring UI: The Book▲822

  Make your ideas look awesome, without relying on a designer

  Life & fun · 2018 · refactoringui.com

• 
  The Y Combinator Database 2.0▲604

  Everything you ever wanted to know about YC companies

  Growth · 2018 · ycdb.co

• 
  Ouch! Illustrations▲590

  Free illustrations for better UX

  Growth · 2018 · icons8.com

• 
  Visa List 1.0▲576

  Know where you can travel with your passport tension free ✈️

  Life & fun · 2018 · visalist.io