Open Source FortKnox Firewall AlternativesFirewalls and other similar apps like FortKnox Firewall

The best open source alternative to FortKnox Firewall is TinyWall. If that doesn't suit you, our users have ranked more than 10 alternatives to FortKnox Firewall and nine of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to FortKnox Firewall are Windows Firewall Notifier, Gufw, Karma Firewall and Bouncer App.

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Alternatives list

  1. TinyWall icon

    TinyWall

     61 likes
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    TinyWall is a free software to harden and control the advanced firewall built into Windows Vista, Windows 7 and Windows 8. TinyWall includes a combination of features that sets it apart from both commercial and freeware firewalls: TinyWall does not annoy you with popups at all...

    32 TinyWall alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Windows
    TinyWall screenshot 1
     

    • TinyWall is the most popular Windows alternative to FortKnox Firewall.

    • TinyWall is the most popular Open Source & free alternative to FortKnox Firewall.

    • TinyWall is Free and Open SourceFortKnox Firewall is Paid and Proprietary
    • TinyWall is LightweightFortKnox Firewall is not according to our users
  2. Windows Firewall Notifier icon

    Windows Firewall Notifier

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

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Windows
    Connections
     
  4. Gufw icon

    Gufw

     51 likes
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    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).

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    • Python
    Gufw screenshot 1
    Main Gufw window where you set which applications to allow or block.
    Adding the new rules
     

    • Gufw is the most popular Linux alternative to FortKnox Firewall.

    • Gufw is Free and Open SourceFortKnox Firewall is Paid and Proprietary
    • Gufw is LightweightFortKnox Firewall is not according to our users
  5. Karma Firewall icon

    Karma Firewall

     2 likes
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    Karma Firewall app lets you take control back of your phone and block internet traffic to and from specific apps. This is a simple yet powerful firewall with an easy to use intuitive GUI which allows you to protect your sensitive data.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Android
    • F-Droid
    Karma Firewall screenshot 1
     

    • Karma Firewall is the most popular Android alternative to FortKnox Firewall.

    • Karma Firewall is Free and Open SourceFortKnox Firewall is Paid and Proprietary
    • Karma Firewall is LightweightFortKnox Firewall is not according to our users
  6. Bouncer App icon

    Bouncer App

     1 like
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    Bouncer is an application to help you choose the correct firewall zone for wireless connections. When you connect to a new network, Bouncer will open a window prompting you for what kind of network (eg home, public, work) it is.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Linux
    • Flathub
    • Flatpak
    Bouncer App screenshot 1
     
  7. NethSecurity icon

    NethSecurity

     1 like
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    All the functionalities of a modern Next-Gen firewall in few clicks: MultiWAN, Deep Packet Inspection, VPNs, Threat Protection.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    NethSecurity screenshot 1
     
  9. Firestarter icon

    Firestarter

     10 likes
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    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.

    20 Firestarter alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Linux
    The Firestarter status pageThe Firestarter status interface shows the state of the firewall and the network at a glance.The active connections list shows all the connections tracked by the firewall, including traffic routed through the firewall. It can also tell you which program the connection belongs to.
     
  10. Douane icon

    Douane

     2 likes
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    Douane is a personal firewall that protects a user's privacy by allowing a user to control which applications can connect to the internet from their GNU/Linux computer.

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Linux
    Douane screenshot 1
     
  11. ufw KDE icon

    ufw KDE

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    KDE front-end to ufw, similar to the GTK/Gnome based gufw.

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Linux
    • KDE
    • Kubuntu
    • KDE neon
     
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