Free firewalls
Comodo firewall
***
PC Tools Firewall Plus **
Online-Armor Free **
ZoneAlarm
Agnitum / Outpost
Sunbelt/Kerio
Lock n' Stop
Premedius
Bitdefender antivirus/firewall
Jetico Personal Firewall !!
R-Firewall
Securepoint Personal Firewall & VPN Client
SoftPerfect Personal Firewall
AVG firewall
Test firewall
Shields Up!
Anti-hackerwatch
Symantec security check
Audit My PC
Info Firewalls overzicht
Firewall Leak tester
Port Forwarding in Routers
Port Forward
Free Proxyservers
Proxy4Free