SeeMusic - Official Download for the SeeMusic App
Flowkey - The easiest way to learn piano with your iPhone or iPad
Synthesia - A fun way to learn how to play the piano.
Melodics - Melodics is a desktop app that teaches you to play MIDI keyboards, pad controllers, and drums.
Keysight - Keysight is a real-time MIDI visualization platform powered by Unreal Engine, built for piano-focused streamers and content creators, and featuring unmatched customization!
Real Piano Teacher - Real Piano Teacher is a music learning application that lets you learn how to play the piano, organ, flute, Guitar, and many other instruments just in seven days.