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Networking · head to head

NetBird vs OPNsense

NetBird logo

NetBird

Networking

Open source WireGuard mesh VPN with identity based access policies and a hosted control plane

From
Free
Rated
-
Full reviewWebsite
OPNsense logo

OPNsense

Networking

FreeBSD-based firewall and routing platform with weekly updates and a full configuration API

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: NetBird self hosting requires an identity provider, and the bundled option adds a second unfamiliar service to operate, so the free path costs more administrative time than the docker compose file suggests.; OPNsense throughput depends entirely on hardware you selected yourself, and intrusion prevention at multi-gigabit rates will saturate a machine that handled plain firewalling fine, with no vendor sizing commitment to fall back on.
  • They diverge on capability: NetBird covers WireGuard data plane, OPNsense covers Stateful firewall on pf.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which NetBird and OPNsense actually diverge.

Attributes where NetBird and OPNsense differ
AttributeNetBirdOPNsense
Pricing modelPer user per monthOpen source, no licence fee
PlatformsLinux, macOS, Windows, iOS, Android, Dockerx86-64 appliances, Virtual machines, Deciso hardware

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Networking).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in NetBird

  • WireGuard data plane
  • NAT traversal with relay fallback
  • Identity based access control
  • Network routes
  • Posture checks
  • Full self hosting

Only in OPNsense

  • Stateful firewall on pf
  • VPN suite
  • Suricata IDS and IPS
  • Full configuration API
  • High availability
  • Weekly update cadence

What people use each for

The jobs each tool is most often brought in to do.

NetBird

  • Replacing a VPN concentrator that backhauls all traffic through one officenot OPNsense
  • Giving contractors access to two specific services rather than to a subnetnot OPNsense
  • Connecting workloads across several clouds without peering VPCs or managing route tablesnot OPNsense
  • Meeting a requirement that the network control plane must run inside your own infrastructurenot OPNsense

OPNsense

  • Replacing a small business firewall appliance whose renewal quote exceeded the cost of the hardwarenot NetBird
  • Branch offices where the firewall configuration must be produced by Ansible rather than by handnot NetBird
  • Sites that need WireGuard and intrusion prevention on the same box without separate feature licencesnot NetBird
  • A homelab or lab network needing VLAN routing, multi-WAN and DNS filtering on one machinenot NetBird

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

NetBird

  • Self hosting requires an identity provider, and the bundled option adds a second unfamiliar service to operate, so the free path costs more administrative time than the docker compose file suggests.
  • Peers that cannot connect directly fall back to relays, and on a self hosted deployment that relay bandwidth is your cost and your bottleneck rather than an included service.
  • If the self hosted management server is down, existing tunnels keep working but no new peer can join and no policy change takes effect, which makes it a component that needs its own availability plan.
  • Some capabilities aimed at larger organisations sit in the paid cloud tiers, so a self hosted deployment does not have exactly the same feature set as the hosted one.
  • The project moves quickly and configuration and deployment layouts have changed between versions, so self hosted upgrades need reading release notes rather than pulling a new image.

OPNsense

  • Throughput depends entirely on hardware you selected yourself, and intrusion prevention at multi-gigabit rates will saturate a machine that handled plain firewalling fine, with no vendor sizing commitment to fall back on.
  • The weekly update cadence is good for security but means more change events than a team used to annual appliance firmware, and occasional regressions reach production installations.
  • FreeBSD underneath limits driver support compared with Linux, so recent network cards and some virtualisation drivers can be unsupported or slow.
  • The plugin ecosystem is uneven in quality; some plugins are maintained by a single contributor and can lag a major release, breaking a function you depended on.
  • Community support is a forum, so an outage at two in the morning on the free edition is your problem alone unless you bought the business subscription in advance.

Pricing, plan by plan

NetBird

Free
  • Self hostedFree
    • Full functionality under an open source licence
    • No peer or user limit
    • You operate management, signal and relay
  • Cloud FreeFree
    • Hosted management and relays
    • Small user and peer allowance
    • Identity provider integration
  • Cloud Team$undefined/month
    • Per user per month billing
    • Managed global relay footprint
    • Posture checks and activity events

OPNsense

Free
  • OPNsense Community EditionFree
    • MIT licence with no feature restrictions
    • All VPN, IDS and HA features included
    • Weekly updates and two major releases a year
  • OPNsense Business Edition$undefined/year
    • Stabilised update track lagging community releases
    • Commercial support from Deciso
    • Additional enterprise plugins and configuration backup

Which should you pick?

Choose NetBird if

  • You need wireguard data plane.
  • You want to start without paying.
  • You work on Linux, macOS, Windows, iOS, Android, Docker.
  • You also want nat traversal with relay fallback.
NetBird review

Choose OPNsense if

  • You need stateful firewall on pf.
  • You want to start without paying.
  • You work on x86-64 appliances, Virtual machines, Deciso hardware.
  • You also want vpn suite.
OPNsense review

Questions people ask

Is NetBird or OPNsense better?
Neither clearly leads. NetBird starts at Free and OPNsense at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, NetBird or OPNsense?
NetBird starts at Free and OPNsense at Free.
Does NetBird or OPNsense run on more platforms?
NetBird runs on Linux, macOS, Windows, iOS, Android, Docker. OPNsense runs on x86-64 appliances, Virtual machines, Deciso hardware.
Can I use NetBird for free?
Both have a free tier, so you can try either at no cost before committing.
What is NetBird best used for?
NetBird is most often used for replacing a vpn concentrator that backhauls all traffic through one office, giving contractors access to two specific services rather than to a subnet, connecting workloads across several clouds without peering vpcs or managing route tables, meeting a requirement that the network control plane must run inside your own infrastructure. Of those, replacing a vpn concentrator that backhauls all traffic through one office and giving contractors access to two specific services rather than to a subnet are not what OPNsense is typically brought in for.
What can NetBird do that OPNsense cannot?
NetBird covers WireGuard data plane, NAT traversal with relay fallback, Identity based access control, Network routes. OPNsense covers Stateful firewall on pf, VPN suite, Suricata IDS and IPS, Full configuration API.

Answered from the vendors’ own pages

NetBird: Is the self hosted version crippled?

No. The management, signal and relay components are all open source and the network works without any NetBird operated service.

OPNsense: How is it different from pfSense?

It is a 2015 fork with an MIT licence, a fixed weekly release cadence, a complete configuration API and a different interface. Feature coverage is comparable; the release process and API are the real differences.

NetBird: How does it differ from Tailscale?

Similar model and similar clients, but Tailscale keeps its coordination server proprietary. NetBird publishes its whole control plane, which is the reason most self hosters choose it.

OPNsense: Do I need the Business Edition?

Only if you want commercial support or a slower, stabilised update stream. No features are withheld from the community edition.

NetBird: Do I need to open firewall ports?

No inbound ports are required. Peers make outbound connections to the signal service and to each other.

OPNsense: Can it handle a gigabit internet connection?

Plain firewalling on modest current hardware, comfortably. With Suricata inspection enabled, expect to need a considerably stronger CPU.

NetBird: What happens to traffic if NetBird the company disappears?

On a self hosted deployment, nothing, since you run every component. On the cloud service you would need to stand up your own control plane and re-enrol peers.

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