VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Headset - Personal music player for Youtube and Reddit
foobar2000 - An advanced freeware audio player for the Windows platform.
Plexamp - A small music player with a number of unique features
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.
Poolsuite™ - The super-summer music player