Musicope - The Piano Game. Contribute to oldrich-s/musicope development by creating an account on GitHub.
Flowkey - The easiest way to learn piano with your iPhone or iPad
Synthesia - A fun way to learn how to play the piano.
Pianu - Learn to play the piano in your browser.
Piano Kit - Search through fingering form presets & create your own original chord forms.
Playground Sessions - Online piano learning game.