1FCD-OpBSD (also known as Karma BSD) is a one-floppy OpenBSD MP3 player with functionality to mount NTFS, UDF (on DVD, CDROM, or external file), EXT2FS, NFS, MFS, and MSDOS file systems. It plays MP3 tracks, and can copy files from any disk to any disk. The software may be useful for the blind and it can also be used as a unique utility for copying files over a network (via NFS) or from any file system known to OpenBSD. USB sticks can be mounted as well. Static OpenBSD binaries can be made on other systems and used with Karma BSD.
AlsaPlayer-Python is a set of python bindings. It allows you to write custom interfaces for AlsaPlayer using the full power of the Python language. This may be three lines of code or a large and complex interface. Also provided is a Python module to control AlsaPlayer from external programs.
Ampache is a Web-based audio file manager. It allows you to view, edit, and play your audio files via the Web. It has support for playlists, artist and album views, album art, random play, playback via HTTP with on-the-fly transcoding and downsampling, vote based playback, playback via MPD and Icecast, an integrated Flash player, and per-user themes and song play tracking. You can also link multiple Ampache servers together using XML-RPC. Ampache supports gettext translations and has full translations into many languages.
BackPlay a program that plays music files from a folder in the background. At login, it scans a directory called "BackPlay" under the user's Music directory, and begins playing any music files it finds there in random order. BackPlay is independent from iTunes. It can be paused from an icon in the status area.
BeatPacker is a simple Python script that uses an M3U playlist to generate a temporary folder filled with files that can be easily transferred to a portable music player. It's designed to be used as a target for drag-and-drop, a nautilus-scripts right-click action, or similar purposes. A Windows installer is available.