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Mini DiariumRedNotebook
Free

Free and open source under the MIT licence.

 Free

The open-source software is available without a license fee. Hosting, hardware and…

Windows, macOS, Linux Windows, Linux
  • AES-256-GCM encryption of every entry
  • No network access or telemetry
  • Supports tags, templates, images and document exports.
  • No sync between devices
  • Name change announced, so the branding will shift
  • It is a local journal rather than a collaborative workspace.
Downloadable app Downloadable app
Open source Open source
License: MIT License: GPL-2.0
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked October 1, 2026

Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.