Songbird is an open-source customizable music player that's under active development.
It is integrated with these Web 2.0 services: mashTape, SHOUTcast Radio, Last.fm Scrobbling, and Songkick concert tickets. You can enhance Songbird with community-contributed plugins like Media Flow.
Features include:GStreamerSmart PlaylistsBuilt-In Web BrowserMulti-language SupportAutomatic UpdatesSetup AssistantCustom User InterfaceLibrary ManagementDeveloper Support
Beta features include portable device support, metadata management, album artwork, and subscriptions.