Visual Beat - Interactive music video
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
YuMe - A multi-screen video advertising company providing digital video brand advertising solutions.
foobar2000 - An advanced freeware audio player for the Windows platform.
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.
Holon - Functional music for everyday activities through spatial computing