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Mini DiariumDailyTxT
Free

Free and open source under the MIT licence.

 Free

Free and open source under the MIT licence.

Windows, macOS, Linux Web, Self-hosted
  • AES-256-GCM encryption of every entry
  • No network access or telemetry
  • Entries and uploads encrypted at rest
  • Markdown with live preview
  • No sync between devices
  • Name change announced, so the branding will shift
  • Upgrading from version 1 requires a manual migration
  • Single-purpose diary rather than a general notes app
Downloadable app Self-hosted
Open source Open source
License: MIT License: MIT
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked October 1, 2026

Checked October 2, 2026

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