ClamAV for Unix[edit]
Clam AntiVirus is a GPL antivirus toolkit for UNIX.
The main purpose of this software is the integration with mail servers. It provides a flexible and scalable multi-threaded daemon, a command line scanner and a virus database that is kept up to date.
ClamWin - ClamAV for Windows[edit]
ClamWin is a Free Antivirus for Microsoft Windows 98/Me/2000/XP/2003. It provides a graphical user interface to the Clam AntiVirus engine.
ClamWin Free Antivirus uses the GNU General Public License by the Free Software Foundation and is free (as in freedom) software.
ClamXav - ClamAV for Mac OS X[edit]
ClamXav is a free virus checker for Mac OS X. It uses the tried, tested and very popular ClamAV open source antivirus engine as a back end.
Other Links[edit]
COSS v0.1 (clamav online specimen scanner)
Remote vulnerability in clamav, 4. Nov 2005
Debian Security Advisory, DSA-887-1 clamav -- several vulnerabilities