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Organizes and reminds you about important events in your life.

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

Create and publish various diagrams to represent your idea.

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

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.

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Windows Mac

Spotworks LLC

Electric Sheep

Free

It recreates the biological phenomena of evolution.