Synthesia - A fun way to learn how to play the piano.
Flowkey - The easiest way to learn piano with your iPhone or iPad
Piano From Above - Piano From Above is a program that turns learning the piano into a videogame.
alphaTab - alphaTab is a cross platform music notation and guitar tablature rendering library.
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.