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kardi notesAnytype
Free

Free and open source under the GPL 3.0.

 Freemium

Free to use with local storage and peer-to-peer sync. A paid plan adds hosted backup sync…

Windows, macOS, Linux, Android, iOS, Web Windows, macOS, Linux, Android, iOS
  • Encrypted notes readable only by you
  • Clients for desktop, mobile and the web
  • Data stays on your device, with end-to-end encrypted peer-to-peer sync
  • Custom object types and relations rather than fixed note formats
  • Lost password or device means lost data
  • Built and maintained by a single developer
  • Source-available licence, not an approved open source one
  • Still labelled beta, and releases change behaviour
Downloadable app, Web application Downloadable app
Open source Not stated if open source
License: GPL-3.0 License: Any Source Available License 1.0
Not stated if an account is needed No account needed
Not stated if it works offline Works offline

Checked October 2, 2026

Checked September 21, 2026

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