We buit this in 4 hours on the local hackathon

In plain words

We Built This in 4 Hours on the Local Hackathon is a life and fun application created during a hackathon event. The project was completed in just four hours and represents a quick proof-of-concept developed by its creators during the competition. It is designed for people interested in hackathon projects and rapid prototyping. The application stands out as an example of what can be accomplished in a short, focused timeframe at a local coding event.

written from the facts on this page · September 2026

• 
  Hackathon Starter2016 · github.com · ▲296

  A boilerplate for Node.js web applications.

• 
  Gappsy2020 · gappsy.com · ▲156

  No code mobile app builder like Bubble with faster drag/drop

• 
  WhoWantsToHack2014 · ▲66

  A simple app to create hackathon teams

• 
  Hackatuning: Hackathon management system2019 · ▲48

  Create team and invite members based on skills in Hackathons

• HN
  hack:now – 36-hour online hackathon tackling issues caused by COVID-192020 · hacknow.calhacks.io · ▲13
• 
  24 Proof2015 · 24proof.com · ▲4

  Run online hackathons. Get a proof of concept in just 24 hrs

• 
  SimCity, but with Permits▲930

  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 · 15d 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

• 
  We got tired of asking 'What browser are you using?' and created this▲521

  Instantly detect your browser, operating system, screen resolution, and more. Get a shareable link with your browser details for support agents.

  Life & fun · 2012 · aboutmybrowser.com

• MG
  My Github résumé▲301

  Dev tools · 2012 · resume.github.com

• 
  Enterface, a UI design app concept I'm designing▲234

  Surprisingly useful apps for Mac. Made by one developer.

  Dev tools · 2012 · bendansby.com

• MM
  Mixest, my summer project that crawls the web for new indie music▲219

  Work · 2012 · mixest.com

• 
  Ejecta, A Fast, Open Source JavaScript, Canvas Implementation for iOS▲190

  Dev tools · 2012 · impactjs.com

• 
  Bubbles - my unfinished HTML5 Particle Game▲188

  Life & fun · 2012 · fullstackoptimization.com