ESET Internet Security (formerly Smart Security) is an internet security suite with antivirus that includes anti-theft, anti-phishing, firewall protection, and parental controls.
All-inclusive, comprehensive protection: Avast! is a package of applications that aim to protect your computer from a possible virus infection or other malware threats. Free Edition is also available.
Avast! Free Antivirus is the perfect package of applications for people who send e-mails and surf popular websites to protect their computers from a virus infection or other malware threats. Be sure to see How to Install Avast as a Lightweight Antivirus.
AVG Internet Security offers multiple layer protection, meaning you don't have to worry about identity theft, spam, or viruses. AVG AntiVirus Free Edition available as well.
Bitdefender Antivirus Free Edition is a basic freeware edition of BitDefender Antivirus Plus and Total Security, offering you antivirus protection and protection from online threats.
BitDefender Antivirus Plus provides advanced proactive protection against viruses, spyware, phishing attacks, and identity theft, without slowing down your PC. Free Edition also available and reviewed.
X-Sec Malware Scanner, previously known as X-Sec Antivirus, is a user-friendly and efficient virus scanner designed to work seamlessly with other antivirus programs. It was developed to be lightweight and easy to use.
NETGATE Internet Security provides a complete protection suite for mitigating Internet threats from malware, spyware, adware, trojans, worms, viruses, rootkits, phishing, and spam.
Kaspersky Anti-Virus provides an advanced antivirus solution coupled with maximum spyware protection to guard against viruses, trojans, worms, adware, spyware rootkits, identity theft, and phishing attacks.