ToolNewFor Tool or equipment rental shop

Due Back

Know what's out, who has it, and what they owe.

Log tool and equipment rentals at the counter, track what is out and overdue, calculate late fees and deposit refunds, and print a rental slip.

Download the source

Zip, 1.2 MB. MIT licence. Built 31 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

  • Hero
  • How it works
  • The arithmetic
  • Features
  • Rental slip
  • Privacy
  • Rental log app

Features

  • Records customer, deposit, rental days and condition notes
  • Marks items returned and logs damage or late days
  • Calculates late fees and deposit refunds
  • Shows what is out and what is overdue
  • Prints a rental slip
  • Runs in your browser with no account or server

Palette

  • #c2410c
  • #a3360a
  • #ffffff
  • #fde6d8
  • #ff8a4c
  • #24201b

Style

  • Warm
  • Editorial
  • Minimal
Due Back 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 due-back.zip
cd due-back
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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