Hullabalu - Interactive stories for kids
TypingMaster - Learn touch-typing technique, and improve/increase typing accuracy and speed.
Tales Untold - Smart stories for smart kids (and smart parents, too).
amphetype - Advanced typing practice program
The Good Night Book - A bedtime children's book designed to help kids fall asleep.
Type Fu - Type Fu is an app that will teach you how to type fast. The right way. On Mac, Windows and Chrome OS.