Your ideas.
Connected by
for you.
You write your ideas. ZettelCastle links them.
Linking your notes shouldn't be a chore.
You write your notes. ZettelCastle finds your existing similar ones and links them.
It removes the friction so you can focus on the thinking. Explore your graph whenever a topic pulls you back.
You will actually come back to check your notes.
Most note-taking apps are graveyards for thoughts. ZettelCastle helps you get back to what you've written when you need it.
ZettelCastle uses AI. But not to fine-tune or rewrite any of your content, that's on you.
It only identifies similar ideas and links them together via embeddings. Your words remain yours. ZettelCastle just provides the map.
"I’m building this for myself. I often found myself storing notes in commonplace books, ideas for writing in Github issues or in Notion pages. When I needed them I had no idea where to find them. Related ideas were scattered across. I learned about Zettelkasten, found it compelling, and knew I'd quit after five notes. So I'm automating the only part I'd never do."