GlassWire

Visualize network activity in detail, get notified when new apps access the network, look out for malware, and block bad apps.

Freemium $ $ $ Windows Android Android Tablet

COMODO Internet Security

Comodo Internet Security is a free, very voluminous and multi-layered security application that keeps hackers out and personal information in. If you prefer a smaller...

Freemium $ $ $ Windows

Little Snitch

Little Snitch is a firewall application that monitors and controls outbound internet traffic.

Commercial $ $ $ Mac

Comodo Free Firewall

Secure your system against internal attacks such as Trojan viruses / malicious software and external attacks by hackers. Safeguard your personal data through a simple...

Free Windows

Privatefirewall

This personal firewall and intrusion detection application provides comprehensive online security. It constantly monitors your PC for intrusion and reports any findings...

Free Windows

ZoneAlarm Free Firewall

ZoneAlarm Free Firewall blocks hackers from infiltrating your home PC by hiding your computer from unsolicited network traffic. By detecting and preventing intrusions...

Freemium Windows

Windows 10 Firewall Control

Protects your applications from undesirable network incoming and outgoing activity, controls applications internet access. Allows you to control personal information...

Freemium Windows

Windows Firewall Notifier

Windows Firewall Notifier (WFN) extends the default Windows embedded firewall behavior, allowing to visualize and handle incoming or outgoing connections.

Free Open Source Windows

CacheGuard-OS

CacheGuard OS is an Appliance oriented Operating System dedicated to Web traffic Security and Optimization.

Commercial $ $ $ Windows VirtualBox VMware vSphere Hypervisor Microsoft Hyper-V Server Proxmox Virtual Environment

Netcut Defender

Arcai.com’s NetCut-Defender, –The only one tool can 100% guaranteed success protect you and your user away from arcai.com’s netcut cut (or alike) ARP SPOOFing.

Free Windows

Filseclab Personal Firewall

Filseclab Personal Firewall Professional Edition is one of the most important software of Filseclab, it is very easy to use and also very powerful. It can provide more...

• Discontinued The last update was released on July 29th, 2005.

Free Windows

Wallix Pro Firewall

Wallix Pro Firewall prevents intruders from accessing your computer and that’s the main objective for a computer firewall. It automatically detects and blocks attacks...

• Discontinued Website now longer exists to provide download. Program is still available on other sites.

Free Windows

PC Tools Firewall Plus

PC Tools Firewall Plus is a powerful free personal firewall for Windows® that protects your computer by preventing unauthorized users from gaining access to your...

• Discontinued Last version, 6.0.0.74, was released on September 29, 2009. It can be still downloaded from Download.com.

Free Windows

Murus Firewall

Murus is a frontend for the OS X PF network firewall. From basic filtering to advanced proactive options, Murus allows to easily configure a complex network setup...

Freemium Mac

FortKnox Firewall

FortKnox Firewall is personal firewall solution that allows you to protect a PC against hacker attacks, trojans, spyware and internet threats. It has built-in Intrusion...

Commercial Windows