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

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

Create and publish various diagrams to represent your idea.

Organizes and reminds you about important events in your life.

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.

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Windows Mac

Siver Sofware

Cubic

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Interactive Rubik's puzzle. There are almost no rules.