'Comodo Free Firewall', and 'Comodo Antivirus'

COMODO FREE FIREWALL

Unfortunately, most firewalls leak. But Comodo Firewall software is unique in that it passes all known leak tests with default settings to ensure the integrity of data entering and exiting your system.

http://www.comodo.com/

Comodo Antivirus

Eliminates Viruses, Worms and Trojans from desktops and networks. Constantly protects with real-time On Access scanning while using a technology called Proactive Heuristic to analyze and intercept unknown threats. Simply bid farewell to viruses and kiss license fees goodbye.

http://www.comodo.com/