After years of being supported as donation-ware, ClamXav recently started charging US customers a license fee of $29.95 to use its venerable anti-virus program for the Mac.
Since I have had several years’ experience running Avast’s anti-virus software for Windows, I decided to uninstall ClamXav and switch to that developer’s Mac release, which is free. Other antivirus options include Bitdefender and Sophos.
ClamXav developer starts charging for his Mac OS X antivirus software
by Jordan Novet
VentureBeat | Security
June 26, 2015