iTunes
Features include a free download with no hidden charges for extra features, MP3 and pristine-quality AAC-encoding from audio CDs, smart playlists, more than 250 free Internet radio stations, and the ability to burn custom playlists to CDs and MP3 CDs, to burn content to DVDs to back up an entire music collection, and to share music via Rendezvous over any network, cross-platform. Other features include iMix, which lets you post and e-mail songs in your playlists for everyone to see, and you can rate iMixes from other music lovers and discover new music; Party Shuffle, with which you can add, delete, and rearrange songs on the fly; Apple Lossless, which lets you import music from CDs and achieve sound quality indistinguishable from the original, at about half the original file size.
MusicMatch Jukebox
Musicmatch Jukebox is a powerful and easy way to find, organize, and enjoy your music. An all-in-one, digital-music solution, Jukebox 10 lets you manage, play, rip, burn, buy, and discover music in one easy-to-use program. Musicmatch Jukebox also provides instant access to all of its popular music services, including Musicmatch On Demand, Musicmatch Music Store, and Musicmatch Radio with more than 800,000 songs in its catalog.
musikCube
musikCube is an mp3 player for the modern generation. It helps you just listen to what you want to hear, while offering innovative features not seen elsewhere. For the technical user, musikCube is based on an embedded SQL database engine known as sqlite. For the non technical user, that means its fast. Really fast.
"Dynamic playlists" allow fully automatic, randomized playback of songs based on your observed listening habits. The more you listen, the smarter it gets. It also features browsable, user reorderable playlists.
Media Player Classic
Media Player Classic (also known as MPC) is a multimedia player whose developpement is fast and impressive. Similar to Microsoft’s Windows Media Player, it is based on the use of DirectX and DirectShows filters already installed. It offers three advantages: it’s light, rich, and is never the cause of any intrusion.
VLC media player
VLC (initially VideoLAN Client) 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.