Avast free Antivirus is an antivirus program developed by AVAST Software a.s.One of the best and popular free antivirus in this field.It is lighter,faster and take less scanning time.A June 2010 report by OPSWAT suggested that avast Free Antivirus software is the world’s leading antivirus application in terms of actual installations.Detection rates slightly lower than AntiVir.Avast has the most iportant features,full real-time detection, including web, e-mail, IM, P2P and network shields, boot-time scanning, and a behavioural blocker.
It is also one of the best free antivirus and one of the most widely used antivirus programs in the world, with 100
million users worldwide As of September 2009.Avira has good detection rate and has very high fasle positives compare to others.AntiVir does not include web or e-mail scanning capabilities and advertisements with each update.
This is also one the popular free antivirus software among many computer users. It has automatic update,resident Shield,Email Scanner,Virus Vault,On-Demand Scanner,slow scan speed,Low detection rate compared to others and it slightly slow down the computer.
Microsoft Security Essentials is an antivirus program developed by microsoft.It has good detection rates,very few false positives,light on resources, minimal user interaction,automatic updates, No registration is needed. But slow scan speed.
Comodo offers free internet security software (free antivirus+ free firewall).It is also one of the best free antivirus.Slow scan speed,high detection rate,Automatic updates,Easy to use interface,no annoying pop-ups.
Panda Cloud Antivirus is an antivirus program developed by panda securities.Its installation is quick and easy,quick scan mode,light on resources,no system slowdown during scans,small download size.