Google Music Lab - Interactive experiments that use the Web Audio API
Meludia - Listening exercises and to sharpen your ear and music theory skills
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
Auricula - Practice your sense of hearing and learn to identify intervals for your musical development.