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...
Audacity : Audacity est un logiciel libre, gratuit et multi-plateforme pour l'enregistrement et l'édition de sons.
ixi software : ixi audio is an experimental project concerned with the creation of digital musical instruments and environments for generative music.
Paul's Extreme Sound Stretch : This is a program for stretching the audio. It is suitable only for extreme sound stretching of the audio (like 50x) and for applying special effects ...
Cecilia : Cecilia is an audio signal processing environment aimed at sound designers. Cecilia mangles sound in ways unheard of. Cecilia lets you create your own...
VST Plugins Free - Virtual instruments and effects