Kerio Control Firewall was designed to protect medium and small businesses from a comprehensive range of invasive and crippling corporate network threats.

Fort Firewall is a simple Open Source Windows Firewall app.

Firewall Easy is a portable tool that uses the Windows firewall to block apps from accessing the internet effectively.

Windows Firewall Control extends the functionality of the Windows firewall and provides immediate access to the most frequent options.

Fail2Ban4Win is a background service for temporarily blocking IP ranges in Windows Firewall.

Snort is an Open Source network intrusion prevention system capable of performing real-time traffic analysis and packet logging on IP networks.

IPFire provides you with a modern Open Source, Linux-based firewall that is user-friendly.

TinyWall is a free program to harden and control the advanced firewall built into Windows 7 and above.

Little Snitch prevents applications from establishing outgoing internet connections and “phoning home” without your knowledge or permission.

IPBan offers a simple option for securing your machine while on the internet by blocking hackers and botnets via your firewall.

A1RunGuard enables bulletproof unwanted program blocking, password protection for executables, and anti-ransomware protection.

FortKnox Personal Firewall provides configurable protection against Internet threats and other types of malicious attacks.

Portmaster is a free and Open Source application that puts you back in charge of your computer's network connections.

PeerBlock Portable is a tool that allows you to block online communication with advertising, spyware, p2p monitoring, and other servers based on IP addresses. It is also available as an installer.

Use HS Blacklist Check to scan your system for botnet C&C servers linked to Dridex, Emotet (also known as Heodo), TrickBot, QakBot (also called QuakBot/Qbot), and BazarLoader (also referred to as BazarBackdoor).

ZoneAlarm Pro Firewall automatically starts protecting you from malicious web content the moment it's installed on your machine using multiple tools. ZoneAlarm Free Antivirus is also available.

ZoneAlarm Free Firewall provides you with a powerful alternative to the Windows Firewall and doesn't require constant monitoring or managing.

ZoneAlarm Free Antivirus + Firewall is an all-in-one free security that seamlessly integrates ZoneAlarm Antivirus with Firewall.

Windows 10 Firewall Control is intended to be a simple and exhaustive solution for applications network activity controlling and monitoring.

Firewall++ provides you with an easy-to-use firewall and network monitoring tool.

Firewall App Blocker offers an easy-to-use interface to block or unblock specific applications with a simple drag and drop selection.

Evorim Free Firewall provides you with all the tools needed to protect against threats from the internet and more.

SpyShelter Firewall will help protect your machine from keyloggers, webcam loggers, sound loggers, and numerous other malicious applications.

WindowsSpyBlocker is a set of Open Source firewall rules to allow advanced users to block Windows spying and telemetry.

ZoneAlarm Uninstall is a free application created to help you quickly remove all traces of Zone Alarm products from your computer.

Comodo Firewall protects your system against internal attacks such as Trojan viruses/malicious software and external attacks by hackers.

Windows Firewall Notifier extends the default Windows embedded firewall behavior, allowing to handle outgoing connections.

Simple Firewall puts forth another layer of protection to be used to assist in safeguarding you against online threats.

ProgCop is an application firewall for your Windows machine.

Firewall Checker is a simple portable freeware tool for checking if your firewall properly blocks a program from connecting to the internet.

WaGi's IP-Blacklister gives you the ability to block IP addresses from an online-IP-list automatically, or you paste in your own IP's for personalized blocking

TCP Over HTTP Tunnel is an HTTP tunneling solution for advanced users to manipulate requests and responses to bypass firewall and proxy restrictions when the use of CONNECT is blocked.

Windows Firewall Troubleshooter is the official Firewall troubleshooter from Microsoft.

Firewall Activator for Windows XP/Vista/8/10 is designed to activate the built-in Windows firewall and restrict potentially dangerous ports.

TCP Over ICMP Tunnel enables ICMP (Internet Control Message Protocol) to reroute IP traffic by shifting data through reply and echo packets that are first sent to a proxy server before reaching the client.

OneClickFirewall allows you to block and unblock any application directly from the Windows Explorer or File Explorer context menu.

BlackICE PC Protection delivers bulletproof intrusion detection and personal firewall protection to your PC.

Windows Firewall Ports & Applications Manager is a free tool that can add a single port, a range of ports, and applications.

User-friendly personal firewall intrusion defense system.

Stop unwanted communications to and from your computer.

Tray monitoring application for the built-in Windows XP Firewall.

A intrusion analyser and report utility for ZoneAlarm.

Firewall that restricts communications between your computer and others.

Webroot Desktop Firewall keeps your data safe while also keeping hackers out.

Read the log file generated by Windows XP Internet Connection Firewall (ICF).

Read the built in firewall logs within Windows XP.

A tool that will configure & monitor your Windows Firewall activity.

Folder Firewall Blocker is designed to allow you to block .EXE files from connections to the internet.

Atelier Web Firewall Tester (AWFT) tests your personal firewall by using several different techniques in an attempt to punch through and gain access.

Firewall extends the default Windows embedded firewall behavior, allowing you to handle outgoing connections, and displaying (almost) real-time information about the current connections.

These modules can be loaded into fireBwall without a recompilation, and just need to be placed into the modules folder.

fireBwall is a personal Windows firewall which allows for modular network access.

An extension for the new firewall found in Win Vista and Longhorn Server.

This will repair the Windows Firewall. When the firewall becomes corrupt it can still block out side connections from coming in. These utilities are part of Windows Repair and no longer updated. MajorGeeks recommends you download the complete Tweaking.Com Windows Repair instead.

PeerBlock lets you control who your computer "talks to" on the Internet. Portable version is also available.

This personal firewall and intrusion detection application provides comprehensive online security.

The point of this program is to make adding/removing programs to/from your Windows firewall easier than ever. These utilities are part of Windows Repair and no longer updated. MajorGeeks recommends you download the complete Tweaking.Com Windows Repair instead.

A comprehensive firewall solution for Windows-based systems.

Jetico Personal Firewall protects your computer from unwanted hacker's attacks from outside as well as from malicious programs "living" secretly inside your computer's memory and hard drive.

Free internet security, content security and advanced internet firewall protection.

This simple freeware program is to simplify the process of enable and disabling the Windows XP firewall.

Very easy to use and also very powerful firewall.

Say hello to people attempting to access your system.

irewall 2004 detects and prevents any unauthorized program on your computer from accessing the Internet without your permission! Project has been abandoned

LeakTest is a safe and small, completely benign chameleon utility which can be used to simulate the presence and effect of trojan horses, viruses, and adware/spyware running on your computer.