Some (aka, anonymous under NDA) say that QC Leopard (3.0) support OSC natively.... (didn't install Leopard myself, so i can't confirm that)
I the meanwhile, here's a QC plug that DOES osc, however it won't work with Leopard.... give it a try (source code by Lalalila) :
http://www.megaphile.com/file/3210/P5-QC-zip.html
Some (aka, anonymous under NDA) say that QC Leopard (3.0) support OSC natively.... (didn't install Leopard myself, so i can't confirm that) I the meanwhile, here's a QC plug that DOES osc, however it won't work with Leopard.... give it a try (source code by Lalalila) : http://www.megaphile.com/file/3210/P5-QC-zip.html
I've attached P5_QC.zip to this post, so you don't have to use that "megaphile" downloader thing.