VLC Media Player
VLC media player - the cross-platform media player and streaming server
VLC media player is a highly portable multimedia player for various audio and video formats (MPEG-1, MPEG-2, MPEG-4, DivX, mp3, ogg, ...) as well as DVDs, VCDs, and various streaming protocols. It can also be used as a server to stream in unicast or multicast in IPv4 or IPv6 on a high-bandwidth network.
   
Free Sothink FLV Player
Sothink FLV Player enables you to play FLV files without the need for any other players. It supports playback of local files as well as streaming playback from an URL. The program can be associate with FLV files, allowing you to simply double-click FLV files to play them. Sothink FLV Player can play FLV video files encoded by different codecs, including Screen Video, Sorenson H. 263, on2 vp6, and others. It is a small-sized and easy-to-use FLV Player.
   
Winamp (Full)
A popular, fast, flexible high-fidelity music player for Windows. Winamp support MP3 and MP2 audio with it s native Nitrane high-performance decoder as well as CD-audio, MOD, S3M, IT, XM and even SID audio formats. Winamp supports more than 10000 interface skins , 300 visualization plug-ins and CDDB for automatic CD audio title listing. You should pay attention during the install, as WinAmp will install several promotional icons (AOl, eMusic), unless they are unchecked from the list during installation.
   
   
MP3 WAV Studio
MP3 WAV Studio is an all-in-one solution for converting, ripping, burning and playing of audio files. In addition, the program can also create, encode, decode and convert between MP3 and other formats. Additional features include jitter-correction for ripping of scratched CDs, burn proof, batch conversions, drag and drop playlist creation, as well as a MP3 site manager and more. MP3 WAV Studio supports all popular audio formats, including MP3, WMA, OGG, VOX, WAV and others.
   
Windows Media Player 11
Windows Media Player 11 for Windows XP offers great new ways to store and enjoy all your digital media. It's easier than ever to access all of your music, videos, pictures, and recorded TV on your computer. Play it, view it, organize it, or sync it to a portable device for enjoying on the go, or share with devices around your home—all from one place.

Windows Media Player 11 is designed to work with all editions of Windows XP Service Pack 2 (SP2), and can also be used to restore Windows Media Player and related technologies to N and KN editions of Windows Vista.