Barcode Alarm Clock - Alarm clock that won't stop ringing until you scan a barcode
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Wakefy - Turn your Mac into a Spotify alarm clock.
foobar2000 - An advanced freeware audio player for the Windows platform.
WalkMe - WalkMe is a game-changing platform that instantly simplifies the online user experience.
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.