Songbird is a Web player built from Firefox's browser engine. Songbird is open source, will run on Windows, Mac OS X and Linux and supports user contributed, cross-platform extensions.
Songbird can do everything you'd expect a media player to do. Play music from your computer, as well as from the Web in one integrated user experience. If you run a music service, you can leverage Songbird's APIs to create deeply integrated stores and user features.
Requirements:
OS X 10.4 or later
Intel Mac
For PPC version 0.6.1
click here.