Supports playback of music files in the following formats: MP3, Ogg Vorbis, WMA, AAC, FLAC, ALAC, WAVE, as well as Midi, Musepack (MPC), Wavpack and some others;
Audacious supports audio output via: ALSA, Sndio, OSS3, SDL, Jack, PulseAudio and to file;
There is support for two interface options based on Qt and GTK;
Support for themes/skins: Qt and classic Winamp;
It is possible to drag and drop folders and individual song files; Support for creating playlists, importing/exporting playlists, sorting by various parameters (by title/artist/album, and others);
Search for artists and albums in your entire music library;
It is possible to play CDs or stream music from the Internet (it is possible to record a stream);
There is an equalizer;
Playback functions: play/pause, stop, switch tracks/albums (next/previous), rewind, change volume, repeat, random, randomly by albums, stop after this track;
There is an option to view information about the song;
There is a module “alarm clock”;
Proxy support;
It is possible to customize the interface appearance;
Support for keyboard shortcuts.
There is support for plugins, which are divided into categories:
General provide useful functions for the user: pop-up notifications, scrobbling Last.fm, getting song lyrics and others;
Effects plugins that can transform the output audio stream: vocal removal, echo, smooth transition, and others;
Visualization plugins: a category of plug-ins responsible for audio visualization;
Input plugins that work with the computer’s audio system;
Playlist plugins that can work with different types of playlists;
Transport: low-level plugins for interacting with VFS.
