The Best 17 Guarddog Alternatives

  • Comodo Firewall icon

    Comodo Firewall

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

    Free Windows

  • TinyWall

    TinyWall is a free software to harden and control the advanced firewall built into Windows Vista, Windows 7 and Windows 8.

    Free Windows

  • Gufw

    Gufw is an easy, intuitive way to manage your Linux firewall. It supports common tasks such as allowing or blocking pre-configured, common p2p, or individual ports port(s), and many others! Gufw is powered by Uncomplicated Firewall (ufw).

    Free Open Source Linux

  • ZoneAlarm Free Firewall

    ZoneAlarm Free Firewall blocks hackers from infiltrating your home PC by hiding your computer from unsolicited network traffic.

    Freemium 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 computer through the Internet or a network.

    Free Windows

  • Firestarter

    Firestarter is an Open Source visual firewall program. The software aims to combine ease of use with powerful features, therefore serving both Linux desktop users and system administrators.

    Free Open Source Linux

  • Sygate Personal Firewall

    Sygate Personal Firewall is a bit old but good firewall for Windows. It uses very small amount of system resources and is quite robust.

    Free Windows

  • Nufw

    NuFW is a GPL extension to Netfilter (that is Linux firewall). It adds identity-based filtering, i.e. it is possible to create firewall rules dependent on the user. ...

    Free Open Source Linux netfilter

  • 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...

    Free Windows

  • 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

  • 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...

    Free Windows

  • Armor2net personal firewall

    Armor2net personal firewall software stops hackers, data thieves, and protects your PC from Internet-borne threats. Armor2net firewall can meet your requirements for...

    Commercial Windows

  • DefenseWall

    DefenseWall is a sandboxing-style personal firewall solution that wins when your anti-virus fails. DefenseWall is based on a sandboxing approach that uses rights...

    Commercial Windows

  • SoftPerfect Personal Firewall

    The SoftPerfect Personal Firewall is a free network firewall designed to protect your PC against attacks from the Internet or via a local area network. SoftPerfect...

    Free Windows

  • InJoy Firewall

    With InJoy Firewall™ 4.0 you can say good-bye to old-generation Firewall solutions that were difficult to implement, manage and measure — InJoy Firewall™ is different......

    Commercial Windows Linux

  • Core Force

    CORE FORCE is a free comprehensive endpoint security solution for Windows 2000 and Windows XP systems. CORE FORCE provides inbound and outbound stateful packet...

    Free Open Source Windows