Whale Music Server is (or rather WILL be) a music player similar to MPD. Program is in very early development stage, so please, dont waste your time on it. ;)
Mplinuxman is a file manager program for the Mpman F60 USB portable MP3 player, for Linux. It lets you send/recieve files to your MP3 player using a graphical user interface (Gtk2) and features playlists, ID3 tags on the player and more .
A small program to manage (and play through mpg321, not included) mp3 files stored anywhere on your hard disk. Standard C compiled on Linux, but may work on other environments.
A Samba VFS module used to map server-side file extensions to client-side file extensions and run a conversion/decompression program on the server when the "virtual file" is accessed by the client.
GUI (lesstif) frontend program to provide similar functionality that the windows software provides for the Eiger Labs MPMAN F10 & F20 portable MP3 players