The free software described below has nothing to do with web analytics, but is noteworthy because it comes from Comodo, the SSL certificate people.
Comodo Free Firewall
Comodo Firewall constantly monitors and defends your PC from internet attacks. It's easy to install and use and passes the industry's most stringent firewall "leak" tests.
Comodo AntiVirus
Eliminates Viruses, Worms and Trojans from Windows XP and Windows 2000 computers.
Features on-demand & on-access scanning, email scanning, process monitoring, worm blocking, full scheduling capabilities and more
Comodo Backup
Quickly and easily create backup copies of critical files. It includes complete file and folder-duplication to local network drives and FTP servers, intelligent incremental backups, e-mail reporting, extensive report logs, real time back ups with synchronization mode, advanced rule-based filtering, flexible scheduling of backups, and space-saving archiving capabilities.
Comodo Verification Engine
Anti-phishing and identity assurance tool for Microsoft Windows offers a simple way to differentiate legitimate web sites from fraudulent ones. Place your mouse cursor over a site logo. If it is authentic, a green border will appear around your browser.
Trustix Enterprise Firewall
A fully-featured packet-filtering router, Trustix Enterprise Firewall has advanced capabilities including the intuitive Xsentry graphical user interface.
Trustix Secure Linux
Server optimized Linux distribution. Packages are been specifically chosen to maximize the security, performance and stability of corporate servers.