The Book with No Pictures - A different kind of kids book by B.J. Novak
Numito - Word and number puzzles game, similar to Countdown GameShow
Epic - Instant access to thousands of great kids books.
Wikids - An encyclopedia that talks to your kids
SpeedCrunch - SpeedCrunch. SpeedCrunch is a high-precision scientific calculator featuring a fast, keyboard-driven user interface. It is free and open-source software, licensed under the GPL. Download Documentation Donate .
Duolingo - Duolingo is a free language learning app for iOS, Windows and Android devices. The app makes learning a new language fun by breaking learning into small lessons where you can earn points and move up through the levels. Read more about Duolingo.