Songbird

Note: The developer had announced the end-of-development for Songbird.... "Unfortunately, the company has found ourselves unable to fund further business operations and as of June 28, 2013 all of Songbird’s operations and associated services will be discontinued." They go on to recommend Nightingale to those who want a free, Open-Source alternative.

Songbird is a cross-platform music player based on Mozilla code. It lets you play, manage, and discover music. You can customize its appearance with skins, and create dynamic playlists that automatically update based on criteria you set.

Features

• Ability to play audio formats MP3, AAC, Ogg Vorbis, FLAC, Apple Lossless, and WMA
• Last.fm integration via a plugin, complete with love/hate buttons
• Media import / export (from and to iTunes)
• Includes an integrated Web browser
• Media files stored on pages viewed in the browser show up as playable files in Songbird
• Ability to subscribe to MP3 blogs as playlists
• Ability to build custom mixes
• A skinnable interface, via feathers
• Automatic updates

• Push audio and video content to wireless devices, like connected TVs, DVD players, and speakers.
• See album art or DVD cover art in the now playing section for any device
• Get more music for your library from the Amazon MP3 store
• See the latest news and content from the currently playing artist via Songbird.me