Virtual MIDI Piano Keyboard - Virtual MIDI Piano Keyboard is a MIDI events generator and receiver.
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.
Pianu - Learn to play the piano in your browser.
EveryonePiano - Everyone Piano is the best free computer keyboard piano software, which supports downloading 3 types of music score formats like stave, right and left hand numbered musical notation and EOP file.
Playground Sessions - Online piano learning game.