Flowkey - The easiest way to learn piano with your iPhone or iPad
Musicope - The Piano Game. Contribute to oldrich-s/musicope development by creating an account on GitHub.
Melodics - Melodics is a desktop app that teaches you to play MIDI keyboards, pad controllers, and drums.
Synthesia - A fun way to learn how to play the piano.
Piano Lessons - Piano Lessons is one of the reliable libraries of online piano lessons provided by world-class instructors, making you learn or practice with the musical instrument without any hassle.
Playground Sessions - Online piano learning game.