Pianu - Learn to play the piano in your browser.
Chroma - Welcome to Chroma Cutlery Cnife - Manufacturer of kitchen knives, includes products and contact information.
Flowkey - The easiest way to learn piano with your iPhone or iPad
Sketch Palettes - Sketch plugin to save and load colors into the color picker
Joytunes - Learn music through mobile games
Colordot for iOS - A color picker for humans.