"About a year ago, we took a look at the growing trend toward
open-source security and highlighted 10 of the best apps available.
Since then, the area has continued to mature, and now we're back
highlighting 75 of the most frequently downloaded open-source
"1. ClamWin Free Antivirus
This Windows-only app uses the incredibly popular ClamAV engine to
detect viruses and spyware. It includes a scanning scheduler,
automatic downloads, and a Microsoft Outlook plug-in. However, it
does not provide real-time scanning; you'll need to scan your files
manually in order to be protected. Operating System: Windows.
Numerous commercial and open-source products are based on the Clam
Antivirus engine. Designed for protecting e-mail gateways, Clam AV
offers automatic updates, a command line scanner, and more.
Operating System: Unix, Linux, BSD..."