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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.

Create and publish various diagrams to represent your idea.

Organizes and reminds you about important events in your life.

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.

Windows

Windows Mac

Solueman Hussain

Planetarium 3D

Free

Planetarium 3D offers an exciting 3D model of the solar system on Mac devices.