Opentape is a free, open-source package that lets you make and host your own mixtapes on the web.

Upload songs (via web or FTP), reorder, rename, customize the style, and share what you like on other sites with an embeddable player.

Audacity est un logiciel libre, gratuit et multi-plateforme pour l'enregistrement et l'édition de sons.

The Javascript Sound Kit is a wrapper around the ActionScript Sound Object, it makes it possible to use the Sound Object in Javascript the same way you do it in ActionScript.