GNUMP3d is a small, portable, and robust server for streaming MP3s, OGGs, and other audio files.

Exaile is a media player aiming to be similar to KDE's AmaroK, but for GTK+. It incorporates many of the cool things from AmaroK like automatic fetching of album art, handling of large libraries, lyrics fetching, artist/album information

WaveMixer is a multitrack wave editor. It can mix mutliple sound together to make some music.We want to do an audio software that is simple to use for anyone, and not only by profesionnal users.

abcde is a frontend to cdparanoia, wget, cd-discid, id3, and your favorite Ogg/MP3 encoder (Oggenc is the default). It grabs an entire CD and converts each track to Ogg/MP3, then comments or ID3-tags each file, all with one command. It supports parallelization, SMP, HTTP proxies, customizable filena...

Aqualung is a music player originally targeted at the GNU/Linux operating system, also running on Win32. It plays audio files from your filesystem and has the feature of inserting no gaps between adjacent tracks.