ClamXav

ClamXav is the frontend of ClamAV for MacOSX. Yes, we all know that Macs don’t really get viruses. But they do exist. Just like viruses that exist in linux. So why take any chances?
Grab your open source antivirus protection today and be assured that your Mac is safe from those nasty buggers that attack Windows machines, day in and day out. Peace of mind solutions. And open source to boot.