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

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

Organizes and reminds you about important events in your life.

Create and publish various diagrams to represent your idea.

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

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

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Windows Mac

aegidian.org

Oolite

Free

Space sim game, written for OS X in Objective C using Cocoa and OpenGL.