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LetterSheets on your desktop.

The encrypted ERP as a native desktop app — the same double-entry core, offline-capable, with client-side post-quantum encryption.

latest release v1.1.3

Download for macOS

Universal (Apple Silicon + Intel) · .dmg · ~198 MB
Download for macOS
Not on a Mac? Choose your platform below.

Desktop app

Pick your platform below
See downloads
Available

macOS

Universal · .dmg · ~198 MB

macOS 11 Big Sur or later. Runs natively on both Apple Silicon and Intel.

Download .dmg
Soon

Windows

.exe installer

Windows 10 and 11 (x64). Build in progress — email support to be notified.

Coming soon
Soon

Linux

.AppImage · .deb

Debian/Ubuntu and AppImage-compatible distros. Build in progress.

Coming soon

Opening on macOS. The app isn't yet notarized by Apple, so the first launch may show "unidentified developer." Right-click the app in Applications and choose Open, or allow it under System Settings → Privacy & Security. Your data stays end-to-end encrypted either way.

Prefer not to install? Use the web app →