librosa : librosa is a python package for music and audio analysis. It provides the building blocks necessary to create music information retrieval systems.
Opentape : Opentape is a free, open-source package that lets you make and host your own mixtapes on the web.
Upload songs (via web or FTP), reorder, rename, cust...
Audio Shop : Your friendly neighborhood script for mangling images or video using audio editing tools.
Audacity : Audacity est un logiciel libre, gratuit et multi-plateforme pour l'enregistrement et l'édition de sons.
The Joel Test : I've come up with my own, highly irresponsible, sloppy test to rate the quality of a software team : 12 Steps to Better Code.
VST Plugins Free - Virtual instruments and effects