Avast Home Edition : This is a completely free but one of the best antivirus applications available anywhere, which is intended for non-commercial use. You can download and register it on their website (
avast! antivirus software - computer virus, worm and Trojan protection by ALWIL Software) free of cost. The Avast Home Edition features an On Demand Scanner, On Access Scanner (to protect e-mail clients, instant messengers, etc). It also has P2P protection and a lightweight firewall. The NNTP Scanner can scan all Usenet Newsgroup traffic and all operations with files on PC. It also has a real-time protection feature which is rather powerful. Program and database updates are also incredibly fast.
602LAN Suite (
http://www.software602.com/products/ls/): This secure mail server has an inbuilt antivirus and anti-spam guard. The firewall is meant to control internet sharing and is equipped with NAT and Web content filter proxy. It also features standards based SSL SMTP/POP3 e-mail server that enables encrypted communication, junk mail protection and an integrated fax server. Access to the Web mail client, shared address book, remote administration and user home pages is provided by the integrated Web server. Other features include includes text content based Bayesian spam filter, Web Mail Client with WAP support, network address translation, attachment filter, PureSight proxy content filter, auto-update and ActiveReports.
also,
free-av.com
ravantivirus.com
