Cairn
Silver desk with a chrome vase, closed laptop, and a slim blue notebook

Think once. Find it again.

A quiet second brain for notes, links, and the ideas you keep meaning to finish.

Get CairnSee the desk
  • GitHub
  • Apple
  • Notion
  • Obsidian
  • Dropbox
  • Google Drive

Built for the hour you actually write.

Hands writing on a pale tablet in cool daylight

Capture on glass

Phone, tablet, or desktop. The inbox is the same surface. File nothing until the thought is safe.

Stacked silver notebooks with a chrome paperweight

Plain files, still

Markdown on disk. Sync however you already sync. Cairn is a lens, not a vault.

Minimal silver study with a long desk and fog outside the window

A room for unfinished thinking.

A man writing in a notebook beside a foggy window
“I open Cairn the way I used to open a paper pad. The links showed up later, when I needed them.”

Mateo RuizStaff engineer, maps

Get Cairn when desktop ships.

Mac and Windows first. Your notes stay local. Sync is optional.

No spam. One note when desktop ships.