Create drum and audio loops with this software synthesiser.

Keep your finger on the pulse of your physical, emotional, and mental states with this biorhythm calculator.

This calculator for children converts standard imperial measurements to metric units, as well as performing all the usual calculator functions.

Design jewel cases for all of the CDs in your collection.

Star light, star bright: wish upon a virtual star with this comprehensive astronomy suite.

Learning how to play the piano has never been more fun with the help of this simple, multi-instrument simulator.