skiTunes

skiTunes is a fast, extensible, open-source alternative to iTunes written in Cocoa and featuring Apple QuickTime and Apple WebKit.

It may also use VLC, MPlayer, LAME, and cdrecord. It's target platform is Mac OS X 10.3 and later, however it may run on Mac OS X 10.2 as well.
It differs from Apple's offering in that it is written in Cocoa and uses native widgets, as well as supporting formats iTunes doesn't, such as OGG and WMA. Using native widgets will allow it to automatically match the rest of the OS when a theme is applied, unlike iTunes, which requires hacking in order to make it What's New
Version 0.4:
- New Interface
- Customizable toolbar
- iGoom Visualizer
- Dock control menu
- Support for icon themes
- Time indicator
- Playlist icons
- Ability to specify iTunes library to use
- Mini-mode float option
- Better performance in all areas
- Ability to rename playlists
- Initial structure for ratings support laid out
- "Greyed out files in Add to Library" bug fixed Requirements
PPC, Mac OS X 10.3 or later