OpenSnitch Alternatives

OpenSnitch is described as 'Firewall for Linux providing interactive outbound filtering, blocking ads and malware domains, configurable via GUI, with centralized node management' and is a Firewall in the security & privacy category. There are more than 25 alternatives to OpenSnitch for a variety of platforms, including Linux, Mac, Windows, Android and iPhone apps. The best OpenSnitch alternative is Portmaster, which is both free and Open Source. Other great apps like OpenSnitch are simplewall, Pi-hole, GlassWire and Little Snitch.

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Alternatives
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Alternatives list

  1. P

    Picosnitch

     4 likes

    Receive notifications whenever a new program connects to the network, or when it's modified

    Cost / License

    Application type

    Platforms

    • Linux
    Picosnitch screenshot 1
    Good alternative?
     
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  2. InJoy Firewall icon

    InJoy Firewall

     Like

    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...

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Windows
    • Linux
    • US flagUnited States
    InJoy Firewall screenshot 1
    Good alternative?
     
  4. Netmute icon

    Netmute

     1 like

    Per-app firewall for macOS that shows where your apps connect and blocks trackers and unwanted connections.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    • DE flagGermany
    • European Union flagEU
    Netmute screenshot 1
    Good alternative?
     
  5. Lockdown Privacy icon

    Lockdown Privacy

     8 likes

    Lockdown Privacy is an Open Source and free firewall for your iOS device. We built the product to help protect users from app developers and analytics companies that are monetizing user data without consent or transparency.

    Cost / License

    Application type

    Platforms

    • Mac
    • iPhone
    • iPad
    • US flagUnited States
    Lockdown Privacy screenshot 1
    Good alternative?
     
  8. Radio Silence icon

    Radio Silence

     21 likes

    Radio Silence lets you block individual apps from accessing the internet. It never throws pop-ups on the screen, and is completely invisible.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Mac
    • FI flagFinland
    • European Union flagEU
    Radio Silence screenshot 1
    Radio Silence screenshot 2
    Good alternative?
     
  9. Firestarter icon

    Firestarter

     10 likes

    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.

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Linux
    • FI flagFinland
    • European Union flagEU
    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.
    Good alternative?
     
  10. ufw KDE icon

    ufw KDE

     Like

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

    Cost / License

    Application type

    Alerts

    • Discontinued

    Platforms

    • Linux
    • KDE
    • Kubuntu
    • KDE neon
    Good alternative?
     
  11. Karma Firewall icon

    Karma Firewall

     2 likes

    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

    Application type

    Platforms

    • Android
    • F-Droid
    Karma Firewall screenshot 1
    Good alternative?
     
  12. N

    Nethogs

     21 likes

    NetHogs is a small 'net top' tool. Instead of breaking the traffic down per protocol or per subnet, like most tools do, it groups bandwidth by process.

    26 Nethogs alternatives

    Cost / License

    • Free
    • Open Source

    Platforms

    • Linux
    • Xfce
    • NL flagNetherlands
    • European Union flagEU
    Nethogs screenshot 1
    Good alternative?
     
  13. Douane icon

    Douane

     2 likes

    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
    Good alternative?
     
  14. TripMode icon

    TripMode

     10 likes

    Outbound firewall for apps, blocking apps from accessing internet. Useful for reducing data usage when tethering to mobile data, or on a slower wifi connection.

    10 TripMode alternatives

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • CH flagSwitzerland
    TripMode screenshot 1
    Good alternative?
     
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