Xfmpc!

DeaDBeeF is a lightweight graphical music player created for easy playback of music and management of playlists. It supports major audio codecs and tags, global hotkeys, gapless playback, streaming audio, command line control, and has an 18-band equalizer. For the full list of features, please check the official website.

Exaile is a cross-platform music manager and player for GTK+ written in Python and is easily extensible via plugins. It incorporates automatic fetching of album art, handling of large libraries, lyrics fetching, artist/album information via Wikipedia, streaming internet radio, Last.fm submission support, and optional iPod support via a plugin.

Music Player Daemon (MPD) is a flexible, powerful, server-side application for playing music. Through plugins and libraries it can play a variety of sound files while being controlled by its network protocol.

Qmmp is an audio-player, written with help of Qt library. The user interface is similar to Winamp or xmms.

Cantata is a graphical client for MPD.Cantata started off as a fork of QtMPC, mainly to provide better KDE integration - by using KDE libraries/classes wherever possible. However, the code (and user interface) is now very different to that of QtMPC, and both KDE and Qt (Linux) builds have the same feature set. (Windows builds lack; ReplyGain, devices, and local dynamic playlists)

Listen runs on gestures, not buttons. It’s perfect for anytime: on your way to work, while exercising, or on the go. Whether you are in your car, on your bike, or running a marathon, you’ll be lost in the music, not the interface.

Herrie is a minimalistic music player that uses the command line. It is written to support a variety of operating systems, audio subsystems and file formats, including playlists. Herrie has a split-screen user interface, with a playlist at the top of the screen and a file browser at the bottom. When tracks are added to the playlist, Herrie consumes them from the top one by one. It is thus an application that allows you to batch music for playback. Herrie supports audioscrobbling.

PlayerXtreme Media Player is the most popular cross-platform audio, video, movie and online streaming Player for your device. With this Free Media Player you can watch movies, music, videos, and others with mesmerizing audio video results, on the go from anywhere even if they’re in any format even if they don’t normally play or even sync with your Phone or Tablet! Download PlayerXtreme Media Player & start transferring & watching your favorite movies without conversion!It is able to run files in almost any video format. PlayerXtreme Media Player has now the following formats covered: »

A Free software music player and manager with a built-in media library and a smart client-server model, plus a sophisticated plug-in architecture. The player is not related to the well-known media player XMMS.

With TapTunes, you will experience your music collection like never before. Touch, tap, drag, shake, swipe, pinch ? you've never been this close to your tunes!

Mopidy is a music server which can play music from Spotify , or from your local hard drive. You can use your favorite MPD client to search for music and manage the playlist.

Theremin - Undead Mac OS X MPD Client.