Massively powerful and totally customizable note-taking system.

With a few special tools, you can build any note-taking system you can imagine, complete with methods to track, organize, and visualize your ideas.

You already have the app.

Send notes to /tap via text message (SMS), the website or a bookmarklet.

Set up Spells to get text reminders and email digests of your notes on a specific schedule.

Enhance your notes with Spells