Keep the rough edges.
Drop in a sentence, a voice note, a link, or the thought you cannot name yet.
Notes that remember
Capture what matters. Cairn connects your notes when the right idea returns.

Write naturally. Cairn builds the structure quietly, then brings useful context back when you need it.
Drop in a sentence, a voice note, a link, or the thought you cannot name yet.

Related fragments gather around the idea, not the folder you happened to choose.
Open one note and see the decisions, sources, and questions that shaped it.

“I follow the thought now, not the folder.”
Mara Vélez, research lead
Private by default.
Useful on every device.
Designed for years of thought.
Start with one thought. Cairn will help you find the rest.