List of notable antivirus softwares

This is a list of notable antivirus software.
* Avast!
* Avira
* AVG Anti-Virus
* BitDefender
* BullGuard
* CA Anti-Virus
* Cisco Security Agent
* DriveSentry (antivirus, antispyware and HIPS technologies)
* eSafe
* Fortinet FortiClient End Point Security
* F-PROT * F-Secure
* G DATA Software
* Graugon AntiVirus Pro
* Kaspersky Anti-Virus
* LinuxShield
* McAfee VirusScan
* nProtect
* NOD32
* Norman ASA
* Norton AntiVirus
* Panda Security
* PC Tools AntiVirus
* Rising AntiVirus
* Sophos Anti-Virus
* Trend Micro Internet Security
* Vba32 AntiVirus
* Virus Chaser
* Windows Live OneCare
* ZoneAlarm

Freeware Antivirus sotware

* Avira AntiVir Personal - Free Antivirus (nagware - home use only)
* AOL Active Virus Shield
* AVG Anti-Virus Free (registerware/nagware)
* avast! Home Edition (registerware - home use only)
* BitDefender Free (lacks an on-access scanner)
* Comodo AntiVirus (home and business use)
* DriveSentry (some paid features)
* F-PROT for Linux, FreeBSD, MS-DOS
* Graugon AntiVirus
* PC Tools AntiVirus Free Edition
* Rising Antivirus Free Edition

Open source

* Clam AntiVirus and ClamWin (for servers only; no on-access scan)
* OpenAntiVirus
* Untangle Gateway Platform Virus Blocker