Opnsense
From VPN to Intrusion Detection, best-in-class, free open-source firewall.
Technical Profile & Specs
verified 2026-11-04
- Cost
- $0 / forever (Open Source)
- License
- cm0zooe4a000i7dtrtrvgvszh
- Hosting Model
- Self-host (your server)
- Platforms
- webself-hosteddocker to self-host
- Installation
- Clone https://github.com/opnsense/core or deploy with Docker Compose
- Operational Setup
- Deploy via Docker or binary release from GitHub and configure environment variables.
- Where Your Data Lives
- All application data and configuration live on your own server or local database.
- The Catch / Trade-off
- Requires self-hosting setup, updates, and server maintenance compared to managed UniFi Security Gateway.
Replaces 1 paid app
up to $29/mo ($348/yr) in subscriptions
Opnsense FAQ
Common questions
Is Opnsense free and open source?+
Opnsense is an open-source tool licensed under cm0zooe4a000i7dtrtrvgvszh that runs on self-host. From VPN to Intrusion Detection, best-in-class, free open-source firewall.
What paid software does Opnsense replace?+
Opnsense serves as a free replacement for 1 paid SaaS application: UniFi Security Gateway, saving up to $29/month ($348/year) in subscription bills.
How do you install and set up Opnsense?+
Installation: Clone https://github.com/opnsense/core or deploy with Docker Compose. Setup notes: Deploy via Docker or binary release from GitHub and configure environment variables.
What is the catch or trade-off with Opnsense?+
Requires self-hosting setup, updates, and server maintenance compared to managed UniFi Security Gateway.