Zinf is an MP3/Vorbis/CD audio player with jukebox capabilities, formerly known as FreeAmp. It features both graphical (with themes) and text-based user interfaces, a download manager for automating MP3 downloads, and a powerful music browser/playlist manager. Other features include HTTP/RTP streaming playback with HTTP stream saving and title streaming, and a fast, clean-sounding Open Source decoding engine. It supports Win32/OSS sound systems, ALSA, and EsounD.
xmms-crossfade is an output plugin for XMMS. Its main feature is automatic crossfading. It also removes the gaps between tracks, to play whole MP3 albums without any audible interruption. xmms-crossfade supports OSS via a builtin driver, and any other platform by using existing output plugins. As of version 0.3.9, the Audacious media player is also supported.
Quod Libet is a music library management program. Rather than categorize songs by genre, artist, and album, it lets you search and display them however you want. It supports regexp-based searches, album cover display, tag editing, ReplayGain, multimedia keys, and an OSD. Also included is Ex Falso, a tag editor that has the same editing features found in Quod Libet, but does not play audio files.
Tunez is an MP3/Ogg jukebox that works with a voting system. You can vote for your favorite tracks via the Web interface, and the Tunez daemon will take care of the rest. It is ideal for shared work environments and LAN parties. Tunez also works equally well as an interface to an Icecast server (v2.0 is supported via Ices v0.3). Tunez makes it easy to update ID3 tags for all your MP3s. Support for grabbing Amazon art in included for all of your favorite albums. A full user/group permission scheme is available so that you can customize Tunez for your own use.
Linux Multimedia Player is a tiny Linux-based live distribution that converts your computer into a multimedia player. It supports most of the known formats (MPEG 1 and 2, DivX, WMV, qt-mov, Real, MP3, WAV, WMA, Ogg, VCD, and DVD), acts as an MP3 streaming server, auto-detects the various partitions on IDE, SATA, and SCSI hard disks, and auto-detects sound, video, and network cards. It supports all cards as of kernel 2.6.21. Network support can be configured in the GUI. Options are menu-driven and require no knowledge of Linux.