The Best 39 ZoneAlarm Free Firewall Alternatives

  • VodooShield

    VoodooShield uses a proprietary proactive whitelist snapshot approach to virus and malware protection. VoodooShield is a patented toggling Desktop Shield Gadget /...

    Free Personal Windows

  • Looknstop

    Look n Stop is the best in its class security application to prevent spyware. Secured by Look n Stop, your PC also becomes fully invisible to net hackers by stopping all...

    Commercial 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

  • Guarddog

    Guarddog is a firewall configuration utility for Linux systems. Guarddog is aimed at two groups of users. Novice to intermediate users who are not experts in TCP/IP...

    Free Open Source Linux

  • 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

  • NoRoot Firewall

    Firewall WITHOUT ROOT. Host name/domain name filtering, simple interface, fine-grained access control and no suspicious permissions on the firewall app itself.

    Free Android

  • 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

  • iSafer

    Open source Windows firewall.

    Free Open Source 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

  • CacheGuard-OS

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

    Free Open Source Windows VirtualBox VMware vSphere Hypervisor Microsoft Hyper-V Server Proxmox Virtual Environment

  • 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

  • Online Solutions Security Suite

    Online Solutions Security Suite (OSSS) is a complex protection software that includes a new generation proactive defense system and an extremely powerful firewall, and...

    Commercial Windows

  • ShaPlus Bandwidth Meter

    Simple to use bandwidth monitoring software to track Internet bandwidth usage.It remains in tray and displays the bandwidth usage in current session, day and month. This...

    Free Windows

  • Leopard Flower

    Personal firewall for Linux OS (based on libnetfilter_queue) which allows to allow or deny Internet access on a per-application basis rather than on a port/protocol...

    Free Open Source Linux

  • NetDefender

    NetDefender is a free and open source firewall for Windows 2000/XP. Features: * User can Block all Traffic and can Allow all traffic through just one mouse click *...

    Free Open Source Windows

  • 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