VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Corel WinDVD Pro - Get top-quality playback with the world’s most popular Blu-ray and DVD software, Corel WinDVD Pro 12
foobar2000 - An advanced freeware audio player for the Windows platform.
Pretty Good Music Player - Music player that focuses on basics: rock solid music playing.
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.
Switch Player - Media playback, inspection and conversion tool