audio
jPlayer : the CSS styleable jQuery audio player plugin
The CSS styleable jQuery audio player plugin with HTML5 audio support!
MP3 Player
It's an audio player for MP3 file, intended for the diffusion on websites. It's open source, free and customizable with build generator.
jMP3: jQuery MP3 Player Plugin
jMP3 (javaScript MP3 player) is an easy way make any MP3 playable directly on most any web site (to those with flash & javascript enabled), using the sleek Flash Single MP3 Player and jQuery.
SoundManager 2: Javascript Sound For The Web
Play sound from JavaScript including MP3 and MPEG-4 audio formats with SoundManager 2, a cross-browser/platform sound API. BSD licensed.