Hallbook
Every room, every week, no double-bookings.
Hallbook is a browser-based calendar that lets community centre staff assign classes, meetings and events to rooms, catches double-bookings, and prints the weekly schedule.
Zip, 216 KB. MIT licence. Built 19 Oct 2026.
Live preview
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
- Month view
- Week view
- Room view
- Event form
- Printable schedule
Features
- Flags double-bookings in the same room and time
- Weekly repeating events
- Month, week and room views
- Filter events by category
- Print or export the weekly schedule
- JSON export and import for backup
- All data stays in your browser
Palette
#1f5f5b#ffffff#dfeae6#1f1b16#6b6257#173b25
Style
- Warm
- Editorial
- Minimal

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 hallbook.zip
cd hallbook
npm install
npm run devIn the zip
site/the launch page with the built app insite/app/src/ande2e/the app source and testsdocs/technical-docs/architecture, runbook, quick referenceSTART-HERE.mdandLICENSE(MIT)
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