BackToBasics is a simple music player for Linux.
Cardio is a library that can play back many different audio files (MP3, FLAC, WV, MOD, etc.). It handles both the input (reading files) and output (writing audio). Cardio is extensible via plugins, many of which are available at the Cardio Web site.
A standalone script for accessing MySQL databases.
An HTTP Web services client for the Mac.