OPNsense

OPNsense® is an open source, feature rich firewall and routing platform, offering cutting-edge network protection.

Open-source software · opnsense.org

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What OPNsense’s own pages say

What it says it doesOPNsense® is an open source, feature rich firewall and routing platform, offering cutting-edge network protection. opnsense.org
IntegrationsIPsec, OpenVPN, Tinc, WireGuard opnsense.org
Free planYes opnsense.org
PlansOPNsense® Business Edition opnsense.org
Open sourceYes opnsense.org
Licensewith a simplified 2-clause license (BSD/MIT license) is just one click away opnsense.org

Each value is a quote AirStack found on the product’s own pages, read 2026-11-04. A missing field means AirStack has not found it on its pages.