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

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

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

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

User-friendly personal firewall intrusion defense system.

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.

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

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

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

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

Very easy to use and also very powerful firewall.

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

Say hello to people attempting to access your system.

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

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

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.

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

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

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

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

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

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

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

Windows Firewall Troubleshooter is the official Firewall troubleshooter from Microsoft.

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

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

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

Firewall that restricts communications between your computer and others.

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.

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

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

ProgCop is an application firewall for your Windows machine.

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

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

Read the built in firewall logs within Windows XP.

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

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

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.

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

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).

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

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.

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.

Stop unwanted communications to and from your computer.

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

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

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

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.

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

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

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.

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.

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

A intrusion analyser and report utility for ZoneAlarm.

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

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

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

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

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

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

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

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

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