Chroma - Welcome to Chroma Cutlery Cnife - Manufacturer of kitchen knives, includes products and contact information.
EarMaster - Professional software for ear training and practical music theory on Windows and Mac.
Pianu - Learn to play the piano in your browser.
Meludia - Listening exercises and to sharpen your ear and music theory skills
Touch Pianist - Play piano like a pro without playing piano.
LenMus - LenMus is a free program for learning music.