Qmmp

Qmmp (Qt-based Multimedia Player) is an audio-player, written with help of Qt library.

Supported formats:
MPEG1 layer 2/3
Ogg Vorbis
Native FLAC, Ogg FLAC
Musepack
WavePack
Tracker modules (mod, s3m, it, xm, etc)
ADTS AAC
CD Audio
WMA, Monkey's Audio (and other formats provided by FFmpeg library)
PCM WAVE (and other formats provided by libsndfile library)

DSP effects:
BS2B effect
Sample rate converter
LADSPA effects

Visual effects:
ProjectM visualization
Spectrum analyzer

Output system support:
OSS
ALSA (Linux)
Pulse Audio
JACK
WaveOut (Win32)

Other features:
Xmms and Winamp 2.x skins support
10-band equalizer
MP3, Vorbis, AAC, AAC+ streams support
mms support (experimental)
MPRIS
Removable device detection (via HAL)
Video playback via Mplayer
Lyrics (using lyricsplugin.com)
Cover art support
CUE sheet support
Embedded CUE support (for FLAC and WavPack)
Multiple playlists
Automatic charset detection for cue files and ShoutCast metadata
Playlist formats: m3u, pls, xspf
ReplayGain support
Last.fm/Libre.fm scrobbler
CDDB support

0.4.1
added Dutch translation;
added shorten audio format;
fixed flv playback;
fixed mplayer support;
fixed popup notifications;
fixed time format;
fixed possible segmentation fault;
fixed bug which causes equalizer to appear when closing the preferences window;
fixed notification template;
fixed mpris regression;
fixed url dialog;
fixed removable volumes detection;
fixed problem with metadata updating;
skip invalid files;
removed obsolete memalign function.

0.4.0
sound core has been partially rewritten;
added transport plugin api;
added engine plugin api;
added template based tag formatting;
added templates support to notification plugin;
added cover support;
added unified details dialog;
added support for additional tags;
added bitmap text support;
added status icon popup message;
added kde notifications plugin;
added skinned cursors;
added double size mode;
added multiple playlists support;
added popup information;
added ladspa host plugin;
added ReplayGain support;
added aac streams support;
added cover manager plugin;
added 16-bit output;
added automatic charset detection (for cue and icy metadata);
added null output plugin;
added cddb support;
added ogg flac support;
added option 'continue playback on startup';
added option 'always on top';
added seeking to command line;
added possibility to remove invalid or duplicate tracks from playlist;
added http plugin;
added mms plugin (experimental);
added cover support to mpris plugin;
added scalable icons;
removed deprecated Qt classes;
removed http support from core;
improved cue support;
improved scrobbler plugin;
improved fileops plugin;
fixed gaps between cue tracks;
fixed ape seeking;
updated Ukrainian, Czech, Russian, Hungarian, Polish and Lithuanian translations.