|Avast!||Anti-Virus program for Windows. The home edition is freeware for noncommerical users.|
|AVG Free edition||Free edition of the AVG anti-virus program for Windows and Linux.|
|Avira Antivir||Free anti-virus software for Windows, Linux, Free BSD and Solaris|
Freeware virus scanner for Windows.
Freeware, GPL, Linux. Clam Av is a GPL anti-virus toolkit for UNIX.
|ClamWin||Freeware, open-source anti-virus program for Windows.|
|FProt||Free anti-virus program for Linux, BSD and Solaris (personal use only)|
|Microsoft Security Essentials||Free anti-virus program for Windows. This is the recommended solution for Windows computers.|
|PC Tools Anti-virus||Free anti-virus program for Windows.|