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Organizes and reminds you about important events in your life.

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.

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

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

Windows

Windows Mac

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CampTune

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Windows and Mac OS X can work together on Apple hardware, offering a wide range of software.