Compare software

Sticky NotesHeptabase
Free

Free and open source under the MIT license.

 Paid

Paid subscription, no permanent free tier mentioned.

macOS, Linux Windows, macOS, Web
  • Spatial canvas for laying out notes
  • Runs on Linux and macOS
  • Whiteboard and card format suits visual thinkers and complex research
  • Cross-platform availability across desktop and web
  • Small project with a small community
  • Built on web technologies rather than a native toolkit
  • Paid subscription required to use
  • Visual, card-based workflow takes longer to set up than plain text notes
Downloadable app Downloadable app, Web application
Open source Closed source
License: MIT License not stated
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 October 1, 2026

Checked September 22, 2026

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