ToolNewFor Curator or gallery

Hangline

Every hook marked before you lift the hammer.

Plan an exhibition wall to scale, space works evenly on an eye-line, and get exact hook positions plus a printable install sheet for the installer.

Download the source

Zip, 219 KB. MIT licence. Built 1 Nov 2026.

Live preview

Open the appOpen full screen
Loading the live site…

This is the real site, not a mock-up. Click around; the button on it opens the working app.

What you get

Everything a tool needs, already done.

Pages and screens

  • Launch page
  • Wall planner
  • Works list
  • Hook table
  • Install sheet

Features

  • Scaled wall elevation with draggable works
  • Even spacing centred on a chosen eye-line
  • Warns about overlaps and works that do not fit
  • Hook positions measured from the wall edge
  • Printable install sheet and file export
  • Saves locally in your browser, no account

Palette

  • #1d4f5c
  • #153d48
  • #d5e4e6
  • #ffffff
  • #23211e
  • #5c564d

Style

  • Minimal
  • Elegant
  • Editorial
Hangline on a phone
On a phone, as shipped.

For developers

A real codebase, not a page builder export.

Stack

Vite, React 19 and TypeScript for the app. The launch page is plain HTML, CSS and a little JavaScript with no build step. Vitest for unit tests, Playwright for browser tests.

Run it

unzip hangline.zip
cd hangline
npm install
npm run dev

In the zip

  • site/ the launch page with the built app in site/app/
  • src/ and e2e/ the app source and tests
  • docs/technical-docs/ architecture, runbook, quick reference
  • START-HERE.md and LICENSE (MIT)

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