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HeptabaseSticky Notes
Paid

Paid subscription, no permanent free tier mentioned.

 Free

Free and open source under the MIT license.

Windows, macOS, Web macOS, Linux
  • Whiteboard and card format suits visual thinkers and complex research
  • Cross-platform availability across desktop and web
  • Spatial canvas for laying out notes
  • Runs on Linux and macOS
  • Paid subscription required to use
  • Visual, card-based workflow takes longer to set up than plain text notes
  • Small project with a small community
  • Built on web technologies rather than a native toolkit
Downloadable app, Web application Downloadable app
Closed source Open source
License not stated License: MIT
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 22, 2026

Checked October 1, 2026

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