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Commonplace
How it worksPricingDownload

Write it on a card. We’ll file it next to everything it relates to.

Commonplace is a notebook built like a card index. Every note is short, every note links to others, and the links show up as you write.

Download for MacWindows, Linux & iPhone

The forgetting curve

Sleep does the filing

Spacing beats rereading

Reviewing a note just as you’re about to forget it makes it stick far longer than rereading it five times in a row. The gaps do the work — see . Probably why so much for exams.

Make It Stick, ch. 3

Follow a link on the card.

What the index does for you

Capture from anywhere
Press ⌥ Spacein any app to jot a card. Clip a web page, forward an email, or record a voice memo — each becomes a card.
Links as you write
While you type, Commonplace lists cards you’ve already written about the same idea. Link one with a keystroke.
Old cards come back
Each morning you get five older cards related to what you’re working on. Keep them, link them, or let them go back in the drawer.
Find by meaning
Search for “why cramming fails” and find the card you titled “Spacing beats rereading.”
Your files, on your disk
Every card is a plain Markdown file in a folder you choose. Works offline. Leaving means copying a folder.

Pricing

Personal

Free

Unlimited cards on one device. Every feature, including links, review, and search.

Sync

$5 a month

Everything in Personal, on all your devices. End-to-end encrypted, with a year of version history.

CommonplaceMade for people who read with a pencil.