Mixxx - The most powerful free DJ software in the world.
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
VirtualDJ - Virtual DJ Software - MP3 and Video mix software for DJs
foobar2000 - An advanced freeware audio player for the Windows platform.
Guitarix - Guitarix is a simple Linux Rock Guitar Amplifier for https://alternativeto.
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.