Google Music Lab - Interactive experiments that use the Web Audio API
EarMaster - Professional software for ear training and practical music theory on Windows and Mac.
YuMe - A multi-screen video advertising company providing digital video brand advertising solutions.
GNU Solfege - GNU Solfege is free music education software.
Cheese Posties - Ready-to-grill cheese sandwiches in the mail
Meludia - Listening exercises and to sharpen your ear and music theory skills