Without the spectral and timbral processing functions of Kyma, I'd like to figure out how to modify human voice. I'd love to get the spectral and timbral properties of a wolf and …

Does anyone know of a spectral cloning plug-in similar to Elevayta's Clone Boy that is available for Mac? Trying to avoid using an AU wrap. Thanks!

What are your favorite software tools for spectral analysis/manipulation? And what do you use them for?