If you care about privacy, control, and clean engineering, OPNsense is one of those rare projects that instantly earns your respect.
No noise. No gimmicks. Just a beautifully built firewall that gives you full visibility into your network without locking you into anything.

Key Features
Stateful Firewall (IPv4 & IPv6)
Clean rule management, live traffic view, and full transparency over what’s happening on your network.

Multi‑WAN Support
Load balancing, failover, and flexible routing for resilient connectivity.

Built‑In VPN Options
Native support for WireGuard, IPsec (including route‑based), OpenVPN, and Tinc mesh networking.

Intrusion Detection & Prevention
Suricata with Emerging Threats rules, inline IPS, and optional ET Pro for deeper protection.

Hardware Failover (CARP)
High‑availability setups with synchronized states for zero‑downtime environments.

Unbound DNS & DNS Tools
Local resolver, DNSSEC, overrides, and tight integration with firewall rules.

Modern Reporting & Monitoring
NetFlow analytics, exportable graphs, and real‑time visibility into interfaces, ports, and applications.

Open Source, Actively Developed
Transparent codebase, strong community, and a development model that prioritizes trust and longevity.