Sygate Personal Firewall 5.5 FREE for personal use, Sygate Personal Firewall provides best of breed security in a user friendly interface, protecting your PC from hackers, trojans and DoS attacks.

Comodo Personal Firewall 2.1.0.1 FREE Comodo Personal Firewall - Secure your system against internal attacks such as Trojan viruses / malicious software and external attacks by hackers.

Online Armor Personal Firewall Free 2.1.0.131 Online Armor FREE - powerful Windows Firewall. Provides a blend of usability and hard-wired PC security to ensure a good user experience. This award-winning program is easy to use and provides 100% leak protection out of the box.

Safesquid Content Filtering Proxy 4.0.4.2 Antivirus and content filtering proxy server

BartWare Personal Firewall 2.0.4 BartWare Personal Firewall 2.x is a new firewall that also deletes spam from POP3 servers, and replaces bad words. Version 2.x is a newly improved version with a new layout and custom skin support.

Scanmetender Standard 3.0 Scanmetender Standard is a multifunctional TCP/UDP network scanner and security suite, which unites a perfect graphical user interface (GUI) with professional functions. Scanmetender Standard is not only able to scan ports, but also to close them!

XP Firewall Control 1.1 XP firewall control uses all the present abilities of the XP firewall and extends them with application level security model. XP firewall control introduces per-application named security zones and allows security zone management.

602LAN SUITE 2004.0.05.0803 602LAN SUITE is an easy-to-install and manage all-in-one network software suite providing secure e-mail services with anti-virus & anti-spam, fax support, built-in firewall with NAT and web content filter proxy for controlled Internet sharing.

Active Wall Free Edtion 2.0 Active Wall Free Edtion is the professional and free gateway filtering software. The main function is url wildcard filter, web content filter, post keyword filter, upload file wildcard filter, traffic monitor.