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Free open source todo manager. It grew out of frustration about other programs not handling composite tasks well.

Organizes and reminds you about important events in your life.

It is designed for Mac and iPhone users to make lists and stay organized.

Momentum is a powerful habit tracker that boosts willpower and helps you reach your goals.

Create and publish various diagrams to represent your idea.

Find out how millions of users worldwide have revolutionized the way they think.

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Knock Software

Knock

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Faster, safer way to sign in. You keep your iPhone with you all the time. Now you can use it as a password.