OvoPlayer is a free music manager and player for Linux and Windows.

It has a simple and clean interface and support all the most common music file format.

Features

Main feature includes

Play music
Support for MP3, FLAC, OGG audio files with all supported audio engine. Also support WMA and APE in most common engines.
Playlists
Read the most used playlist format: M3U, ASX, PLS, XSPF, BSPL, WPL
Music collection handling
Handle large collection of thousands of songs. Fast and simple searching. Organize songs based on artist, album, genre, year, etc.
Cross platform
Run on Linux and Windows (still working on OS X version). Installer avalaible for Windows and Debian based Linux distro.
multiple Audio Engine support
Ovoplayer can use DirectShow, MediaFoundation VLC, XINE, BASS, Mplayer, GStreamer. Works "out-of-the box" on Windows and most Linux distro.
Support for more engines is on the way