Online Armor FREE - powerful Windows Firewall.

A free personal firewall to protect your computer from intruders.

Secure your system against Trojan viruses, malicious software and external attacks by hackers.

Keep hackers and data thieves out of your computer.

R-Firewall is free and effective solution to secure your on-line activity.

Free firewall that takes care of your most basic security needs.

GeSWall ensures safe use of the internet applications in a gentle way.

Manage firewall ports and applications to protect your PC from unwanted attacks.

Multi-platform GUI firewall configuration and management tool.

Combines intelligent firewall technology with intrusion prevention for inbound and outbound protection.

Protects you from all malicious programs which try to launch when a USB peripheral is inserted.

A free firewall designed to protect your PC against attacks from the Internet.

Free Trustix Enterprise Firewall - the only WYSIWYG (What You See Is What You Get) firewall in the world.

Simple OpenBSD NAT and Firewall/Router.

Memory Firewall that monitors for and prevents most types of buffer overflow attacks.