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

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

Organizes and reminds you about important events in your life.

Create and publish various diagrams to represent your idea.

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.

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Windows Mac

Open Sword Group

Open Sword Sparkle

Developers can use Sparkle to add self-update functionality to Cocoa apps.