Banshee is a free media player for GNU / Linux, written in Mono and Gtk . It uses GStreamer multimedia library for encoding and decoding of different file types, such as Ogg Vorbis, MP3 and FLAC.

"The Songbird media player is a cross-platform media player that is based on the gecko browser engine. Songbird enables you to use add-ons and skins feathers just like you can in your Firefox web browser, and combines the the most useful parts of the browser into a fully-featured music player.

VLC is beyond doubts the most popular open source, cross-platform media player and multi-media framework written by VideoLAN projects. VLC player is small in size,just about 17 Mb and immensely powerful! In this post we will explore the player and list 20+ things you can do with VLC player.

Moovida is much more than a simple media player... it is a cutting edge media center bringing the best of the internet to your TV screen. Automatically creating your own digital library you can browse from your sofa with a remote control. The elegant and easy to use interface automatically displays artwork and fan art throughtout and gives you access to movie synopsis and artist info.

Exaile is a music player aiming to be similar to KDE’s Amarok, but for GTK+ and written in Python.

Listen is a not so widely known audio player written in Python and using the GTK toolkit, with an interface similar to the one of Rhythmbox, and including features like a music library, podcasts support, lyrics fetching, Wikipedia integration, and Last.fm song submission.

Exaile is a music manager and player for GTK+ written in Python. It incorporates automatic fetching of album art, lyrics fetching, artist/album information via Wikipedia, Last.fm scrobbling, support for many portable media players including iPods, internet radio such as shoutcast, and tabbed playlists.

Exaile is a music player aiming to be similar to KDE’s Amarok, but for GTK+ and written in Python. It incorporates many of the cool things from Amarok (and other media players) like automatic fetching of album art, handling of large libraries, lyrics fetching, artist/album information via Wikipedia, Last.fm submission support, and optional iPod support via a plugin.

After about two years in the works, Pioneers of the Inevitable have released Songbird, a Mozilla-based music player, with which, POTI aims to do for music what Mozilla did with Firefox: provide an open source customizable multiplatform music player.