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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.

Create and publish various diagrams to represent your idea.

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

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.

Windows

Windows Mac

SASoft Inc

PCAD

Free

Reduce the time required to design your piping systems.