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 ...
ixi software : ixi audio is an experimental project concerned with the creation of digital musical instruments and environments for generative music.
Puredyne : Puredyne is the USB-bootable GNU/Linux operating system for creative multimedia.
(fluxus) : A 3D game engine for livecoding worlds into existence.
Fluxus is a rapid prototyping, playing and learning environment for 3D graphics, sound and game...
sfxr : A tool to quickly generate 8bit/16 bit-soud effects!
VST Plugins Free - Virtual instruments and effects
