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