Little Snitch Alternatives for Linux

Little Snitch is not available for Linux but there are some alternatives that runs on Linux with similar functionality. The most popular Linux alternative is Small OpenSnitch iconOpenSnitch, which is both free and Open Source. If that doesn't suit you, our users have ranked 27 alternatives to Little Snitch and five of them are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to Little Snitch are Small Portmaster iconPortmaster (Free, Open Source), Small Douane iconDouane (Free, Open Source), Small upribox iconupribox (Free, Open Source) and Small InJoy Firewall iconInJoy Firewall (Paid).

The list of alternatives was last updated on Aug 13, 2020

  • OpenSnitch is a GNU/Linux port of the Little Snitch application firewall.

    Discontinued

    The software isn't being developed anymore as you can read here: https://github.com/evilsocket/opensnitch/issues/259

    • Free • Open Source
    • Linux
  • Is a Modular Privacy App which includes a "DNS over TLS" feature as well as an "Application Firewall".
    • Free • Open Source
    • Windows
    • Linux


  • 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.
    • Free • Open Source
    • Linux
  • The upribox Software turns your RaspberryPi into a privacy-enhancing Wireless router with adblocking, Tor, and a VPN server.
    • Free • Open Source
    • Linux
    • Raspberry Pi
  • 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...
    • Windows
    • Linux