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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.

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.

Create and publish various diagrams to represent your idea.

Organizes and reminds you about important events in your life.

Windows

Windows Mac

Gengyun Li

NuclearPuzzle

Free

NuclearPuzzle is a block building game for the atomic nucleus.