OS X Mountain Lion 10.8 gives the follow notice when I tried to open Caedium:
"Caedium can't be opened because it is from an unidentified developer."
How do I run Caedium on OS X 10.8?
OS X Mountain Lion (10.8) uses a new security feature known as Gatekeeper to prevent applications not registered with Apple from running. Currently Caedium is not registered with Apple, so as a work around prior to installing and launching Caedium for the first time: