OPNsense
A powerful open-source firewall/router for a mini-PC.
90
sovereigntyLicenseBSD-2-Clause
PricingFree / open-source
Open sourceYes
Self-hostableYes
Local-first dataYes
What it does well
- +Enterprise-grade features
- +Excellent VPN + firewall control
- +Frequent updates
Where it falls short
- −Needs a separate mini-PC/appliance
- −More than a casual user needs
Hardware note
Runs on a fanless mini-PC with multiple network ports — a common, quiet, low-power home setup.
OPNsense as an alternative to
Where OPNsense shows up in our comparisons, and how it ranked.
OPNsense head-to-head
Straight comparisons against the tools people weigh it against.