ToolNewFor Market stall or craft fair seller

Trestle

Know what's in the tin before you pack the table.

Trestle lets a market stallholder tap to record each sale as cash or card, then shows the day's takings, best sellers and leftover stock, saved on their phone.

Download the source

Zip, 207 KB. MIT licence. Built 29 Oct 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

  • Landing page
  • Tally screen
  • Products list
  • Day summary
  • History

Features

  • Tap a tile to record a sale as cash or card
  • Undo mistakes with one tap
  • Day summary: units sold and takings by payment type
  • Shows best sellers and leftover stock
  • History of past market days kept in the browser
  • Works offline in a field with no signal

Palette

  • #1c2620
  • #4a564e
  • #1f5a3d
  • #17472f
  • #fffdf8
  • #dcebdf

Style

  • Warm
  • Editorial
  • Playful
Trestle 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 trestle.zip
cd trestle
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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