Submission by kennyljs: 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 & 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)

fb2k v0.7.1 changelog:
- added option to write log file in console
- fixed 0.7 problem with mpglib and some intensity stereo files
- DDE support (introduced in early 0.7) now optional / disabled by default (reduced "memory usage" shortly after startup)
- added option to update playlist with time display / VBR bitrate / dynamic HTTP titles / etc
- new and improved masstagger
- new smarter/faster playlist search
- added 7zip unpacker (kode54)
- added new DirectSound output with fades on seek/pause/stop

Download v0.7.1 beta 2 -> here

Screen Shot -> New Tab feature

Source : foobar2000 homepage