The short story:
Here you can download ZR3 Organ VST &DFX Transverb VST for Mac OS X 64 bit :
ZR3 organ VST 64 bit for Mac OS X
direct download : AZr3 organ VST for Mac OS X 64 bit
source code : src + XCode project
author website : Rupelrausch
DestroyFX Transverb VST effect 64 bit for Mac OS X
direct download : Transverb VST 64 bit for Mac
source code : src + xcode project + visual studio project for windows
author website : DestroyFX