Privatefirewall goes free!
Privatefirewall has announced Privatefirewall 6.1.20.24 is free of charge, without any limitations
Ready for Windows 7.
Privatefirewall multi-layered endpoint security software protects Windows desktops and servers from malware and unauthorized use. Personal firewall, packet inspection, URL filtering, process monitor, and application/system behavior modeling and anomaly detection components stop hackers, spyware, viruses and other forms of malware before they can cause damage.
Privatefirewall is now available completely Free of Charge.
http://www.privacyware.com/personal_firewall.html