Mapped

What it does

Are you a startup founder? Great! Mapped is a mobile app for you to learn from more advanced founders fast. You can ask questions and instantly see founders who already answered similar ones, with the answers included. It is available for free!

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  Smart Founder Intros2021 · ▲162

  Smart introductions to relevant entrepreneurs

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  WorldMap.lol13d ago · worldmap.lol · ▲197

  Put your startup on the map. Literally.

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  SpawnedFeb 2026 · ▲222

  Build, launch, and discover products in a single platform

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  Platforms Starter Kit2022 · ▲363

  Build the fastest multi-tenant apps with custom domains

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  500 Earth2017 · ▲192

  500 Startups. Mapped.

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  EarlyFinder2025 · ▲133

  Track startup growth from first tweet to first million

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  The load-bearing vocabulary of Claude▲703

  Life & fun · 9d ago · louisabraham.github.io

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  iPhone app takes simultaneous images from 2 lenses, fuses into 1 photo▲329

  Photosynthesis fires two of your iPhone

  Life & fun · 28d ago · photosynthesis.camera

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  SoloUno▲310

  Take control of hair pulling, nail biting & skin picking

  Life & fun · 28d ago · solouno.io

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  Scroll through all 43252003274489856000 Rubik's Cube states▲295

  Scroll through all 43,252,003,274,489,856,000 reachable Rubik's Cube permutations.

  Life & fun · 26d ago · everycube.alen.is

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  Expeditione▲265

  The Interactive 3D Encyclopedia

  Life & fun · 21d ago · expeditione.fun

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  Eigendrum - Draw any shape and hear what it sounds like as a drum▲243

  Hi HN, I built Eigendrum, a web tool that solves the 2D wave equation for arbitrary shapes so you can hear what they sound like as drums. How it works: * Solves -∇²u = λu using finite element analysis (Kφ = λMφ) on a triangle mesh. * Validated to <0.1% error against closed-form solutions for circles (Bessel zeros) and rectangles. * Sound model factors in strike location, Rayleigh damping, and mallet width. * Includes Kac drums I & II to demonstrate identical sound spectra from different geometries. * No frameworks, build steps, or dependencies. Repo and tests:…

  Life & fun · 26d ago · baselashraf81.github.io

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  Admin Portal (by WorkOS)▲1,410

  Pre-built wizard for configuring Single Sign-On (SSO/SAML)

  Dev tools · 2020 · workos.com

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  Sidekick Browser▲1,051

  The fastest browser built for work.

  Work · 2020 · perplexity.ai

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  PFPMaker▲1,027

  Create an awesome profile pic from any photo

  Growth · 2020 · pfpmaker.com

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  Screenity▲878

  The most powerful screen recorder for Chrome

  Dev tools · 2020 · chromewebstore.google.com

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  Notion Timeline▲778

  Plot all your projects chronologically

  Work · 2020 · notion.so

• IR
  I Rebuilt MySpace from 2007▲726

  Life & fun · 2020 · spacehey.com