{unifile}

Single-file document apps with built-in version history. Fully offline: no server, no account, nothing leaves your device.

Apps

• {¶}{document} Markdown — Markdown notes with built-in version history. Install · Open · Download
• {◇}{diagram} Mermaid — Diagrams as text — versioned, live, and offline. Install · Open · Download
• {✎}{write} Markdown books — A quiet Markdown writing app that exports real e-books. Install · Open · Download
• {⌂}{draft} floor plans — Architectural blueprints from plain text. Install · Open · Download
• {♪}{compose} ABC notation — Write music, hear it, route it. Install · Open · Download
• {▭}{slides} Marp slide decks — Slide decks from Markdown — themed, imaged, versioned, offline. Install · Open · Download
• {▦}{spreadsheet} spreadsheets — A spreadsheet you can read as text — formulas, formats, versioned, offline. Install · Open · Download

Notes

• Install — a step-by-step guide for your device. The app goes on your home screen or dock and works with no connection.
• Open — run it in the browser; you can install it from there too.
• Download — one .html file that is the whole app plus your document and its history. Open it anywhere.