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PenzuRedNotebook
Free

Free to start, with unlimited entries at no cost.

 Free

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

Android, iOS, Web Windows, Linux
  • Unlimited entries on the free plan
  • Encryption and per-entry or per-journal locking
  • Supports tags, templates, images and document exports.
  • Journals are stored on Penzu's service rather than in files you own
  • Built for journaling, not general note-taking
  • It is a local journal rather than a collaborative workspace.
Downloadable app, Web application, Hosted service Downloadable app
Closed source Open source
License not stated License: GPL-2.0
Account needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked October 2, 2026

Checked September 22, 2026

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