Foobar2000 is an advanced audio player with simple UI and low memory use. It supports several popular audio formats, including: MP1, MP2, MP3, MP4, MPC, AAC, Ogg Vorbis, FLAC/Ogg FLAC, WavPack, WAV, AIFF, AU, SND, CDDA, WMA. It allows third-party plugins to extend functionality of the player. Some Features:

• Full unicode support.
• Advanced tagging capabilities.
• ReplayGain support - both playback and calculation.
• Customizable keyboard shortcuts.