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SideNotesAntinote
Paid

Commercial Mac app from Apptorium; check the developer's site for current pricing.

 Paid

A one-time $5 purchase with lifetime updates and a free trial.

macOS macOS
  • Notes panel appears at the screen edge without app switching
  • Markdown, tasks, images and colors in notes
  • Opens instantly on a global hotkey
  • Inline math with variables and unit and currency conversion
  • Mac only
  • Suited to quick notes rather than a large knowledge base
  • macOS 14 or later only; iOS version not yet released
  • Built for temporary notes rather than long-term organisation
Downloadable app Downloadable app
Closed source Closed source
License not stated 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 September 24, 2026

Checked October 1, 2026

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