Pianu - Learn to play the piano in your browser.
Guitarix - Guitarix is a simple Linux Rock Guitar Amplifier for https://alternativeto.
Flowkey - The easiest way to learn piano with your iPhone or iPad
Waves GTR - From Fender® to Marshall®, Mesa/Boogie® to Vox®, and more, Waves has captured...
Playground Sessions - Online piano learning game.
GNUitar - GNUitar is guitar effects software that allows you to use your PC as guitar processor.