X Lossless Decoder(XLD) is a tool for Mac OS X that is able to decode/convert/play various 'lossless' audio files.

Ventrilo (Vent) is a VoIP software that includes text chat.

C* Music Player is a small, fast and powerful console music player for Unix-like operating systems.

Anvil Studio is a multitrack MIDI and audio editing, digital audio workstation software.

1by1 is a small, fast and handy audio player which is not only small: it provides a smart and versatile environment to handle your file collection.

Medieval CUE splitter is an easy-to-use tool for breaking long audio files into smaller, songlike chunks. It has a simple layout and fast results.

WavePad works as a wav or mp3 editor, but it also supports a number of other file formats including vox, gsm, wma, real audio, au, aif, flac, ogg, and more.

Free Audio Converter is a free audio format conversion software.