Persistent Group Chat in kdb+/k/q

In plain words

Kchat is a group chat application built with kdb+/k/q and JavaScript using web sockets, implemented in fewer than 50 lines of code. It is designed for developers and technical users interested in lightweight messaging solutions. The application stands out for its minimal codebase, demonstrating how to create a functional persistent chat system using kdb+ technologies efficiently.

written from the facts on this page · September 2026

• 
  Let's Chat, a self-hosted chat app for small teams2015 · sdelements.github.io · ▲350

  Self-hosted chat for small teams.

• 
  Klangchat2021 · apps.apple.com · ▲80

  Be the DJ of your voice messages

• WW
  Webchat with API in just ~60 lines of NodeJS2011 · fayechat.kaerast.info · ▲33
• 
  Micro Chat – Private group chat2023 · micro.mu · ▲64

  Hey all I'm Asim. I'm an engineer who's been hacking on an open source project called Micro for the past eight years (https://micro.dev). In that time I've done a lot of things, all Dev related but ultimately most of my career was spent working on platforms for consumer products. After many attempts I've decided the path forward is to focus on building something that solves my own problem. Micro Chat is a solution to some of the social media problems I've been having. What I've been looking for most of my life is a community. A place to belong. I scoured the internet for that with…

• 
  A chat client built on git2016 · github.com · ▲81

  Contribute to staab/git-chat development by creating an account on GitHub.

• KG
  Kiwichat – group chat of people who are within 1 mile2014 · kiwichat.co · ▲50

• 
  SimCity, but with Permits▲877

  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 · 22h 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

• 
  Startup Stash▲3,255

  A curated directory of 400 resources & tools for startups

  Life & fun · 2015 · startupstash.com

• 
  Remote OK▲959

  The biggest remote job board on the web

  Work · 2015 · remoteok.com

• 
  Pablo by Buffer▲905

  Create engaging images for your social media posts in 30s

  Growth · 2015 · buffer.com

• 
  Notify▲791

  Get notified in Slack when your startup is mentioned online

  Growth · 2015 · timer.now

• 
  Documentary Addict▲663

  Largest and best curated collection of documentaries

  Life & fun · 2015 · documentaryaddict.com

• 
  Revue▲651

  Easily create an engaging, gorgeous, weekly digest

  Growth · 2015