Free pfSense Alternatives

    The best free alternative to pfSense is OPNsense, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to pfSense and 16 is free so hopefully you can find a suitable replacement. Other interesting free alternatives to pfSense are NethServer (Free, Open Source), IPFire (Free, Open Source), ClearOS (Free, Open Source) and ZeroShell (Free, Open Source).

    This page was last updated Jul 2, 2021

      • FreeOpen Source
      • Self-Hosted
      DANOS unified network operating system driving innovation across the networking stack. DANOS is based upon Vyatta and uses DPDK so it should be able to forward packets line rate (10G).
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    1. CrossBrowdy is an open-source and free JavaScript framework that let developers create multimedia apps, game engines, games, emulators and so on.
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      • FreeOpen Source
      • BSD
      • Self-Hosted
      BSD Router Project (BSDRP) is an embedded free and open source software router distribution based on FreeBSD with FRRouting (Quagga fork) and Bird.
      No screenshots yet
    2. OpenContrail is an Apache 2.0-licensed project that is built using standards-based protocols and provides all the necessary components for network virtualization–SDN controller, virtual router, analytics engine, and published northbound APIs.
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    3. Zorp GPL is a next generation, open source proxy firewall with deep protocol analysis. It allows you to inspect, control, and modify traffic on the application layer of the ISO/OSI model.
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    4. The securityrouter.org project is a network operating system and software distribution based on OpenBSD, featuring a single, revision-managed, clear-text configuration file with soft re-configuration, editable from CLI and web interface.
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    Showing 16 of 16 alternatives