Audacity
Audacity is a free, easy-to-use audio editor and recorder for Windows, Mac OS X, GNU/Linux, and other operating systems.
License: Opensource
Price: FREE
Download - Audacity
iTunes
iTunes is originally designed for Apple's iPod. You can also use it to organize, share and listen to music on your computer.
License: Freeware
Price: FREE
Download - iTunes
QuickTime Player
QuickTime is Apple's digital media software for both Mac and Windows based computers. It is free to download and will let you play QucikTime movie files.
License: Freeware
Price: FREE
Download - QuickTime Player
Note: QuickTime Pro is not Freeware. QucikTime Pro is well known for its unparalleled quality for creating, playing and streaming audio and video contents over the Internet.)
Real Player Basic
RealPlayer is the all-in-one digital media player. It is capable of finding and playing major media format.
License: Adware
Price: FREE
Download - Real Player Basic
Winamp
Winamp is a skinnable multimedia player. It is capable of playing multi-format media files. It can play live & recorded video content. It can has got CD-ripping and CD-Burning support.
License: Freeware
Price: FREE
Download - Winamp
Windows Media Player 11
Windows Media Player is the all-in-one media player developed by Microsoft for Windows Operating System. It can let you tune to online music & video stores and services. You can also perform CD-ripping, burning and syncing. The latest version available is Windows Media Player 11.
License: Freeware
Price: FREE
Download - Windows Media Player 11