Daily Updatedd MP3 Software
http://www.dailymp3.com/

Ogg Drop (MP3)
http://www.nouturn.com/oggdrop/

QuickTime
http://www.apple.com.au/quicktime/download

RealPlayer
http://www.real.com/player/?src=realaudio

Computer Video Net (free video software)
http://www.computervideo.net/software.html

VLC Media Player (Cross Platform)
http://www.videolan.org/vlc/

Wav software
http://www.freewareseek.com/audio/wav/0-1.html

Windows Media Player
http://www.microsoft.com/downloads/details.aspx?FamilyID=e0175119-9a5b-44c3-b1de-9b2a9aa6cff6&displaylang=en