ZettelkastenNote

Think in cards.

Capture an idea on a small card, link it to others, and come back to grow it. A local-first note app built for the Zettelkasten method.

Download on the App StoreView on the Mac App Store

iOS / iPadOS 17 or later, macOS 14 or later. Free to download.

Write. Link. Grow.

Writing is only the start. Make connections, look back, and add to what you have. Tools for keeping the loop of knowledge turning.

Meet the Mac app

The same knowledge on iPhone and Mac, synced through iCloud. On Mac, the link graph and AI suggestions help it grow.

  • One purchase for iOS and Mac (Universal Purchase)
  • Reading is free on Mac; writing is a one-time Pro upgrade
  • Built-in MCP server: let AI agents work with your notes
View on the Mac App Store
Mac

Your data stays on your devices

Local-first by design. There is no server of ours. Your notes live on your device and, if you choose, in your iCloud.

Think in cards.

Download on the App Store