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OpenSnitch Alternatives

OpenSnitch is described as 'GNU/Linux port of the Little Snitch application firewall' and is a Firewall in the network & admin category. There are more than 25 alternatives to OpenSnitch for a variety of platforms, including Linux, Windows, Mac, Android and iPhone. The best alternative is simplewall, which is both free and Open Source. Other great apps like OpenSnitch are Pi-hole, Portmaster, GlassWire and BiniSoft Windows Firewall Control.

OpenSnitch alternatives are mainly Firewalls but may also be Network Monitors or Ad Blockers. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of OpenSnitch.
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OpenSnitch iconOpenSnitch
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OpenSnitch is a GNU/Linux port of the Little Snitch application firewall.

Learn more about OpenSnitch
  1. simplewall icon

    simplewall

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    • Windows
    27 alternatives to simplewall 

    Simple tool to configure Windows Filtering Platform (WFP) which can configure network activity on your computer.

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    Features
    1.  Lightweightsimplewall consumes less device resources compared to similar apps.
    2.  Privacy focusedsimplewall is considered a privacy friendly alternative.
    3.  Ad-freesimplewall doesn't contain any form of external advertising.
    4.  Portablesimplewall can be used from a USB stick or similar with no prior installation.
    Main Window
    Right Click on an Application
    Setting - General
    simplewall vs OpenSnitch opinions
    pros, cons and recent comments
    norgaladir

    Closest in terms of functionality if looking for an open source alternative that supports windows instead of linux

    Positive comment• ago
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    0
  2. Pi-hole icon

    Pi-hole

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    • Linux
    • Self-Hosted
    • CentOS
    • Fedora
    • Ubuntu
    • Debian
    • Raspbian
    • Raspberry Pi
    34 alternatives to Pi-hole 

    Block ads for all your devices without the need to install client-side software. The Pi-hole blocks ads at the DNS-level, so all your devices are protected.

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    Features
    1.  Privacy focusedPi-hole is considered a privacy friendly alternative.
    The Web interface shows how many ads were blocked, a query log, and more.
    Domains can be whitelisted and blacklisted using either the web interface or the command line.
  4. Portmaster icon

    Portmaster

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    • Windows
    • Linux
    20 alternatives to Portmaster 

    Portmaster is a free and open-source application firewall that puts you back in charge over all your computer's network connections.

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    Features
    1.  Privacy focusedPortmaster is considered a privacy friendly alternative.
    2.  Dark ModePortmaster supports dark mode for comfortable usage in low light conditions.
    3.  Block TrackersPortmaster has a feature to block trackers from tracking you.
    4.  No TrackingPortmaster will not track you or use your personal data.
    5.  No LogsPortmaster doesn't keep any logs of your activities.
    Network Activity Overview
    Detailed Connections of Brave Browser
  5. GlassWire icon

    GlassWire

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    • Windows
    • Android
    • Android Tablet
    59 alternatives to GlassWire 

    GlassWire is a network security monitoring tool and analyzer that visualizes your network activity on an easy to use graph, alerts you of possible threats, manages your firewall, and more.

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    Features
    GlassWire's graph shows you real-time network activity broken down by apps, traffic, and hosts.
  6. BiniSoft Windows Firewall Control icon

    BiniSoft Windows Firewall Control

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    • Windows
    18 alternatives to BiniSoft Windows Firewall Control 

    Windows Firewall Control is a powerful tool that extends the functionality of the Windows Firewall and provides new extra features that make Windows Firewall better. It runs in the system tray and allows the user to control the native firewall easily without having to waste time...

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    Features
    1.  PortableBiniSoft Windows Firewall Control can be used from a USB stick or similar with no prior installation.
    2.  LightweightBiniSoft Windows Firewall Control consumes less device resources compared to similar apps.
    Dashboard
    Profiles window
  8. Little Snitch icon

    Little Snitch

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    34 alternatives to Little Snitch 

    A firewall protects your computer against unwanted guests from the Internet. But who protects your private data from being sent out? Little Snitch does!

     Little Snitch has no features, suggest some!
    Network monitor (official screenshot).
  9. Gufw icon

    Gufw

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    29 alternatives to 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).

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    Features
    Main Gufw window where you set which applications to allow or block.
    Adding the new rules
    Gufw vs OpenSnitch opinions
    This alternative is disputed. Gufw is still a legitimate alternative to OpenSnitch, but it might have issues that some users think are important.
    Guest

    it's a Firewall not an application Firewall

    Negative comment• ago
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    8
    Guest

    the ufw/gufw doesn't help to monitor new connections from your system to "outerspace"

    Negative comment• ago
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    0
  10. NetGuard icon

    NetGuard

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    • Android
    • Android Tablet
    • F-Droid
    24 alternatives to NetGuard 

    NetGuard provides simple and advanced ways to block access to the internet - no root required.

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    Features
    Screenshot
  11. Lockdown Privacy icon

    Lockdown Privacy

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    • Mac
    • iPhone
    • iPad
    11 alternatives to Lockdown Privacy 

    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.

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    Features
    Screenshot
  12. SpyShelter icon

    SpyShelter

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    • Windows
    51 alternatives to SpyShelter 

    SpyShelter is an effective and easy-to-use security application that helps you to protect your system against known and unknown custom compiled malware.

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    Features
    1.  Privacy focusedSpyShelter is considered a privacy friendly alternative.
    2.  No TrackingSpyShelter will not track you or use your personal data.
    3.  LightweightSpyShelter consumes less device resources compared to similar apps.
    4.  Malware AnalysisSpyShelter can inspect a suspicious file or URL to detect potential threats.
    SpyShelter Free
    SpyShelter Free
Showing 10 of 27 alternatives
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