Foobar2000 is an advanced audio player for the Windows platform. Some of the basic features include ReplayGain support, low memory footprint and native support for several popular audio formats.

Features:

Open component architecture allowing third-party developers to extend functionality of the player
Audio formats supported out-of-the-box: WAV, AIFF, VOC, AU, SND, Ogg Vorbis, MPC, MP2, MP3
Audio formats supported through official addons: MPEG-4 AAC, FLAC, OggFLAC, Monkey's Audio, WavPack, Speex, CDDA, TFMX, SPC, various MOD types; extraction on-the-fly from RAR, 7-ZIP amp; ZIP archives
Full Unicode support on Windows NT
ReplayGain support
Low memory footprint, efficient handling of really large playlists
Advanced file info processing capabilities (generic file info box and masstagger)
Highly customizable playlist display
Customizable keyboard shortcuts
Most of standard components are opensourced under BSD license (source included with the SDK)
[License: Freeware| Requires: Win 2000/03/08/XP/Vista/7 | Size: 3.16 MB]