lam AntiVirus (ClamAV) is a free, cross-platform and open-source antivirus software toolkit able to detect many types of malicious software, including viruses. Developed by Cisco
License: Open Source
Windows Defender offers robust real-time protection and is well-integrated into the Windows OS, making it ideal for average users. In contrast, Clam AntiVirus is an open-source solution that is cross-platform and customizable, making it suitable for users who need a flexible antivirus option.