ToolNewFor Swimming school

Lanemark

Know who's ready to move up.

Keep swimming class rosters, tick off each child's level skills at the poolside, see who is ready to move up, and print badge certificates and parent progress cards.

Download the source

Zip, 243 KB. MIT licence. Built 31 Oct 2026.

Open the app Open 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
Class rosters
Skill checklist
Ready to move up
Badge certificate
Parent progress card

Features

Class rosters for each swimming class
Tick off level skills at the poolside
Flags children who finish every skill in a level
Prints a badge certificate for each child
Prints a parent card listing skills still to work on
Runs in the browser, no accounts or installs

Palette

#0a6f94
#085a78
#ffffff
#0b2a3a
#43606d
#9a4a00

Style

Minimal
Warm
Playful

Lanemark 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 lanemark.zip
cd lanemark
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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