Avast! Free Antivirus is a popular freeware edition of the Avast! antivirus software program for home usage only. It is accessible for Windows, Linux, Mac OS users.
AVG Antivirus Free - antivirus for home use. Low system requirement, easy interface - this is what cause this program to be so popular.
Malwarebytes Anti-Malware Free effectively protects your computer from multiple malware threats such as spyware, dialers, rootkits, rogues, keyloggers, trojans, worms, and many more.
Spybot Search and Destroy is a freeware application which detects and removes various malware, including spyware, adware, trojan horses, hijackers from your computer.
Ad-Aware Free Antivirus+ is a popular free program, anti-spyware and anti-virus, which detects computer spyware and viruses by means of two engines.
ZoneAlarm Free Antivirus + Firewall is an effective free comprehensive protection from different threats for Internet and network users.
Avira Free Antivirus is a freeware antivirus for home usage. It offers an effective protection against different forms of computer malware, detecting and removing them at once.