Guitarix - Guitarix is a simple Linux Rock Guitar Amplifier for https://alternativeto.
Flowkey - The easiest way to learn piano with your iPhone or iPad
Rakarrack - Rakarrack is a richly featured multi-effects processor emulating a guitar effects pedalboard.
Yousician - Learn to play music at home, at your own pace
ToneLib GFX - The perfect custom tone with a complete guitar studio in your computer
Melodics - Melodics is a desktop app that teaches you to play MIDI keyboards, pad controllers, and drums.