VPNSpotter
Alternatives · 2026

OPNsense Alternatives

6 firewall tools tools that compete with OPNsense, ranked by community rating. Side-by-side comparisons included for every pick.

  1. 1
    P

    pfSense

    Free

    Open-source firewall/router based on FreeBSD.

    4.7 (268)

    Open-source firewall/router based on FreeBSD.

    View pfSense→OPNsense vs pfSense
  2. 2
    L

    Little Snitch

    From €59/mo

    macOS application firewall with stealth mode.

    4.6 (442)

    macOS application firewall with stealth mode.

    View Little Snitch→OPNsense vs Little Snitch
  3. 3
    F

    Fortinet FortiGate

    From €0/mo

    Enterprise next-gen firewall with integrated SD-WAN.

    4.5 (308)

    Enterprise next-gen firewall with integrated SD-WAN.

    View Fortinet FortiGate→OPNsense vs Fortinet FortiGate
  4. 4
    G

    GlassWire

    From €0/mo

    Network monitoring and firewall with visual interface.

    4.4 (404)

    Network monitoring and firewall with visual interface.

    View GlassWire→OPNsense vs GlassWire
  5. 5
    S

    Sophos XG Firewall

    From €0/mo

    Enterprise firewall with Synchronized Security and threat intelligence.

    4.3 (144)

    Enterprise firewall with Synchronized Security and threat intelligence.

    View Sophos XG Firewall→OPNsense vs Sophos XG Firewall
  6. 6
    U

    Untangle

    From €0/mo

    Network security gateway with web-based management.

    4.2 (311)

    Network security gateway with web-based management.

    View Untangle→OPNsense vs Untangle

Why compare OPNsense with these tools?

Every tool on this page shares OPNsense's core firewall tools use case, so switching is usually straightforward. Click any “OPNsensevs X” link to see pricing, feature, and rating differences side-by-side.

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