Stikkit
Little yellow notes that think.
Remember before we all had iPhones and how we’d write little reminders on sticky yellow notes? Stikkit let you do that too. Except Stikkit took things to insane levels of smartness.
While writing your reminder or note, Stikkit would parse the content and extract dates and times, people, lists, and more, and produce data that could be easily consumed by calendar apps, contact management apps, task list apps, and anything that could read structured data.