YuMe - A multi-screen video advertising company providing digital video brand advertising solutions.
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Theremin - Multitouch synth instrument that makes an array of sounds
foobar2000 - An advanced freeware audio player for the Windows platform.
Google Music Lab - Interactive experiments that use the Web Audio API
Winamp - Winamp is a media player that allows users to play multiple-file formats, arrange media in a varied file-management system, and play unique media with AAC encoding.