Free
Free
Open-source firewall software available for download from the project site
- Access
- Open-source firewall software available for download from the project site
OPNsense
● Identity checkedResearch · Vendor site 2026-10-04
OPNsense is an open-source firewall and routing platform based on FreeBSD, offering VPN, traffic shaping, IDS/IPS, and extensive plugin extensions. The project site describes OPNsense as a feature-rich platform for network protection with community downloads and commercial support options.
- Category
- Research
- Free access
- Open-source firewall software available for download from the project site
- API access
- Not confirmed
Is OPNsense right for you?
A good fit for
Network administrators and homelab operators who want a BSD-based firewall with a web UI and plugin ecosystem.
Before you choose
Hardware sizing, high availability, and commercial support require separate planning beyond the base open-source download.
Open firewall stack
OPNsense delivers BSD-based routing, security, and VPN capabilities with community-driven plugins and documentation.
What it can do
Features & capabilities
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| Firewall platform | Homepage headline describes an open-source, feature-rich firewall and routing platform. | Facts sourced | 2026-10-04 |
| Plugin ecosystem | Site navigation highlights plugins and documentation for extending OPNsense features. | Facts sourced | 2026-10-04 |
Understand the total cost
OPNsense pricing & plans
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Frequently asked questions
What is OPNsense used for?
OPNsense is an open-source firewall and routing platform based on FreeBSD, offering VPN, traffic shaping, IDS/IPS, and extensive plugin extensions. The project site describes OPNsense as a feature-rich platform for network protection with community downloads and commercial support options.
Does OPNsense have a free plan?
Open-source firewall software available for download from the project site. This record lists ongoing free access; check the plan limits before starting.
How much does OPNsense cost?
No paid monthly price is listed; this record treats the product as free to start. See the plan cards for entitlements, billing commitments and seat minimums.
Can I use OPNsense through an API?
Not confirmed. API access and subscription access may have different terms; consult the linked sources.
What should I check before choosing it?
Hardware sizing, high availability, and commercial support require separate planning beyond the base open-source download.
Price history
No retained pricing changes yet. A current price alone does not establish a historical trend.
How this profile is supported
Identity and profile
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.