Marsyas (Music Analysis, Retrieval and Synthesis for Audio Signals) is an open source software framework for audio processing with specific emphasis on Music Information Retrieval applications. It has been designed and written by George Tzanetakis (firstname.lastname@example.org) with help from students and researchers from around the world. Marsyas has been used for a variety of projects in both academia and industry.
Finalist in the Sourceforge
Community Choice Awards 2009