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.
Meludia - Listening exercises and to sharpen your ear and music theory skills
Cheese Posties - Ready-to-grill cheese sandwiches in the mail
Perfect Ear - A simple yet advanced application for improving your solfege skills.