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

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

Organizes and reminds you about important events in your life.

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

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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Enrico Szonn

Color Code Manager

Free

Pick up colors, generate color codes, and save colors in separate projects.