System Manager 3.0 version provides support for Windows and Linux Operating systems. Having said that, System Manager OSX 2.x build was earlier available on communites and has been taken off from communities to adhere to NetApp legal guidelines. We are trying to find an alternative on where to host the files including 3.0 OSX in compliance with legal requirements. We will provide an update as we have more information.
Its available now - http://support.netapp.com/NOW/download/tools/ocsm/