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...
librosa : librosa is a python package for music and audio analysis. It provides the building blocks necessary to create music information retrieval systems.
Audio Shop : Your friendly neighborhood script for mangling images or video using audio editing tools.
Puredyne : Puredyne is the USB-bootable GNU/Linux operating system for creative multimedia.
VST Plugins Free - Virtual instruments and effects