Ashampoo FireWall - v1.20 - 10,0 MB - Freeware - Windows 2000 / XP / Vista / 7

You probably know that you need a firewall program to use the Internet safely. In addition to protecting you against attacks from the Internet, a good firewall will also tell you when programs installed on your computer are trying to phone home and enable you to prevent them from doing it. This is something that Windows own firewall doesn�t do, and it�s essential for identifying and stopping the activities of many malicious virus and spyware programs. For example, this enables you to prevent your computer from being turned into a �zombie� controlled by spammers or destructive hackers.

Comodo Firewall - v5.0 - 33,5 MB - Freeware - Windows XP / Vista / 7

Unfortunately, most firewalls leak. But Comodo's Firewall is unique in that it passes all known leak tests to ensure the integrity of data entering and exiting your system. Comodo has put firewall through all kinds of sophisticated tests to ensure its firewall powerful enough to ward off these attacks with default settings. No other firewall has had to work this hard. Take this test yourself.

Dynamic Security Agent - v7.0.23.3 - 7,63 MB - Freeware - Windows 2000 / XP / server 2003 / Vista / 7

Dynamic Security Agent detects, blocks and quarantines activity characteristic of known malware, hacking, phishing and other threat types so that personal computer users and IT managers within small, medium or large organizations can more effectively and proactively protect the environments and private data for which they are responsible.

Jetico Personal Firewall - v2.1.0.10 - 3,56 MB - Freeware - Windows 2000 / XP / server 2003 / Vista / server 2008 / 7

Jetico Personal Firewall software protects computers against hackers and malicious software when networked or connected to the Internet. It offers detailed, configurable event logs, reports, plus the option to view and edit the firewall configuration. The modular architecture is as open as possible to assist with easier evaluation of the security.

Online Armor Free Firewall - v4.5.1.431 - 19,7 MB - Freeware - Windows 2000 / XP / Vista / 7

Online Armor Free is a complementary version of our powerful windows firewall. Built on the same technology as Online Armor, the free version offers a basic firewall at no cost. There are no advertisements, no time limitations and no nag screens!

Outpost Personal Firewall Pro - v7.1 - 28,3 MB - Commercial Trial - Windows 2000 / XP / server 2003 / Vista / server 2008 / 7

Outpost Personal Firewall Pro gives you the latest and the best firewall software technology, making it the clear security choice for your system. Explore the power and ease of use of Outpost Firewall � download the free 30-day trial version now and start navigating the Web with confidence.

PC Tools Firewall Plus - v7 - 9,75 MB - Freeware - Windows XP / server 2003 / Vista / 7

PC Tools Firewall Plus is an easy-to-use personal firewall for Windows that helps protect your privacy by preventing unauthorized users from gaining access to your computer through a network or the Internet.

PeerGuardian 2 - v2 - 1,86 MB - Open Source - Windows 2000 / XP / server 2003 / Vista / 7

PeerGuardian 2 is Phoenix Labs� premier IP blocker for Windows. PeerGuardian 2 integrates support for multiple lists, list editing, automatic updates, and blocking all of IPv4 (TCP, UDP, ICMP, etc), making it the safest and easiest way to protect your privacy on P2P.

Sunbelt Personal Firewall - v4.6.1861 - 13,6 MB - Commercial Trial - Windows 2000 / XP / Vista

Protect yourself from hackers. Secure your PC with a 100% free firewall download. Get the full version free for 30 days. Sunbelt Personal Firewall (SPF) was called "our favorite" by PC Magazine.

Zone Alarm - v9.2.102.000 - 44,7 MB - Freeware - Windows 2000 / XP / server 2003 / Vista / 7

Millions of people around the world use ZoneAlarm Free Firewall for basic firewall protection. Our free software blocks hackers and prevents viruses and spyware from stealing your personal data and sending it out to the Internet. Also, works great with any antivirus software.