Came accross this the other day im sure some of you will find it very handy
its a vst host that you can load you favorit vst hosts into and supports JACK routeing and Other Virtual Audio
it supports all the main Os'es
http://kxstudio.linuxaudio.org/Applications:Carla

I Have not used it myself as of yet as im still using Cantabile

Good Luck with setting it up looks kinda complicated with all hte audio router and such

Seeya in the Jam..