The Best Little Snitch AlternativesTop Firewalls & Network Monitors like Little Snitch

Little Snitch is described as 'Firewall tool for monitoring, controlling, and alerting on outgoing network connections, with real-time user notifications and customizable rule-based access control' and is a very popular Firewall in the network & admin category. There are more than 25 alternatives to Little Snitch for a variety of platforms, including Windows, Mac, Linux, Android and iPhone apps. The best Little Snitch alternative is Wireshark, which is both free and Open Source. Other great apps like Little Snitch are Portmaster, GlassWire, Fort Firewall and NetGuard.

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Alternatives
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Alternatives list

  1. Wireshark icon
     986 likes

    Wireshark is a premier network protocol analyzer used globally in industries and education, offering multi-platform support, deep protocol inspection, powerful display filters, and VoIP analysis. It allows both live capture and offline analysis, supporting various networks and protocols.

    65 Wireshark alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Snapcraft
    • Arch Linux
    • Flathub
    • Fedora
    • FreeBSD
    • Homebrew
    • Chocolatey
    Good alternative?
     
  2. Portmaster icon
     200 likes

    Free, open-source privacy suite monitoring all network activity, blocking unwanted connections, using trusted filter lists for ads and malware, enforcing DNS-over-TLS, providing custom app and global rules, and supporting advanced privacy management.

    40 Portmaster alternatives

    Cost / License

    Application type

    Platforms

    • Windows
    • Linux
    Good alternative?
     
  3. GlassWire icon
     157 likes

    Visualizes real-time and historical network activity, delivers alerts for suspicious behavior and unknown connections, manages firewall rules, reports DNS and system changes, identifies remote hosts, monitors app usage, supports remote monitoring, and detects possible threats.

    73 GlassWire alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Windows
    • Android
    • Android Tablet
    Good alternative?
     
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    1
  4. Fort Firewall icon
     42 likes

    Standalone firewall for Windows 7 and later featuring flexible rules by application, address, or protocol, wildcards, parent process filtering, SvcHost controls, blocklists, bandwidth graphs, traffic stats tracking, speed limits, and real-time network monitoring.

    Cost / License

    Application type

    Platforms

    • Windows
    Good alternative?
     
  5. NetGuard icon
     62 likes

    Offers detailed per-app internet control for Android with no root required, blocks Wi-Fi and mobile connections, supports IPv4/IPv6, privacy-focused, usage logging, system app blocking, tethering support, various notification settings, and material themes.

    42 NetGuard alternatives

    Cost / License

    Application type

    Platforms

    • Android
    • Android Tablet
    • F-Droid
    • OpenAPK
    Good alternative?
     
  6. NetLimiter icon
     95 likes

    Comprehensive Windows software for internet traffic control, enabling users to set bandwidth limits for applications or connections. Offers real-time monitoring, long-term stats per app, and detailed internet usage reports. Ideal for managing data efficiently and enhancing network performance.

    30 NetLimiter alternatives

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Windows
    Good alternative?
     
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    1
  7. InviZible Pro icon
     31 likes

    InviZible Pro uses DNSCrypt Protocol, Tor and i2pd (I2P Daemon) (PurpleI2P) to achieve maximum security, privacy and comfortable use of the Internet.

    36 InviZible Pro alternatives

    Cost / License

    Application type

    Platforms

    • Android
    • Tor
    • I2P
    • OpenAPK
    • F-Droid
    Good alternative?
     
  8. A powerful tool which extends the functionality of Windows Firewall and provides new extra features which makes Windows Firewall better.

    23 BiniSoft Windows Firewall Control alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Windows
    Good alternative?
     
  9. OpenSnitch icon
     46 likes

    GNU/Linux firewall enabling interactive outbound network filtering, outbound application control, blocking of ads and malware domains, centralized GUI node management, input policy configuration, SIEM integration, real-time alerts, and user-level rule customization.

    40 OpenSnitch alternatives

    Cost / License

    Application type

    Platforms

    • Linux
    Good alternative?
     
  10. LuLu icon
     56 likes

    Free shared-source firewall for macOS blocking unknown outbound connections unless approved, alerts for unauthorized activity, helps detect malware, blocks OS or app data transmissions, no ads or tracking, audit-ready code on GitHub, enterprise event monitoring.

    19 LuLu alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • US flagUnited States
    LuLu screenshot 1
    Good alternative?
     
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    4
  11. App Manager icon
     36 likes

    It lists activities, broadcast receivers, services, providers, permissions, signatures, shared libraries, etc. of any app

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Android
    • Android Tablet
    • F-Droid
    • OpenAPK
    Good alternative?
     
  12. AFWall+ icon
     43 likes

    Firewall (iptables frontend), based on DroidWall which is no longer being developed. A paid "donate"-version with more features it advertised within the app.

    Cost / License

    Application type

    Platforms

    • Android
    Good alternative?
     
12 of 48 Little Snitch alternatives