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Networking · head to head

Nebula vs NetBird

Nebula logo

Nebula

Networking

Certificate based overlay network from Slack, with identity and firewall rules carried in the certificate

From
Free
Rated
-
Full reviewWebsite
NetBird logo

NetBird

Networking

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

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Nebula the open source project has no user interface, no enrolment workflow and no revocation service, so certificate issuing, distribution and expiry become scripts you write and then have to keep working.; 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.
  • They diverge on capability: Nebula covers Certificate carried identity, NetBird covers WireGuard data plane.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Nebula and NetBird actually diverge.

Attributes where Nebula and NetBird differ
AttributeNebulaNetBird
Pricing modelOpen source, no licence feePer user per month
PlatformsLinux, macOS, Windows, iOS, Android, FreeBSDLinux, macOS, Windows, iOS, Android, Docker

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 Nebula

  • Certificate carried identity
  • Group based host firewall
  • Lighthouse discovery
  • Noise protocol encryption
  • Unsafe routes
  • Managed option

Only in NetBird

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

What people use each for

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

Nebula

  • Flattening a network across several clouds and datacentres without VPC peering or route tablesnot NetBird
  • Very large fleets where a central policy service on the connection path is unacceptablenot NetBird
  • Environments that already run an internal certificate authority and want the network to use itnot NetBird
  • Replacing per host iptables rules with policy written against roles that follow the hostnot NetBird

NetBird

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

Where each one falls short

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

Nebula

  • The open source project has no user interface, no enrolment workflow and no revocation service, so certificate issuing, distribution and expiry become scripts you write and then have to keep working.
  • Revoking a compromised host means distributing a blocklist entry to every other host and reloading them, which is a fleet wide operation rather than a click, and easy to get wrong under pressure.
  • Changing a host group membership means reissuing and redeploying its certificate, so policy changes are a deployment rather than a configuration edit.
  • There is no identity provider integration or single sign on in the open source version, so it maps well to servers and badly to a fleet of user laptops.
  • NAT traversal is best effort and hosts behind symmetric NAT need a relay configured deliberately, so connectivity failures show up as intermittent rather than immediate and are awkward to diagnose.

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.

Pricing, plan by plan

Nebula

Free
  • NebulaFree
    • Full functionality under the MIT licence
    • No host limit
    • You operate the certificate authority and lighthouses
  • Defined Networking$undefined/month
    • Hosted control plane and enrolment
    • Managed certificate lifecycle and revocation
    • Policy and DNS interface

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

Which should you pick?

Choose Nebula if

  • You need certificate carried identity.
  • You want to start without paying.
  • You work on Linux, macOS, Windows, iOS, Android, FreeBSD.
  • You also want group based host firewall.
Nebula review

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

Questions people ask

Is Nebula or NetBird better?
Neither clearly leads. Nebula starts at Free and NetBird at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Nebula or NetBird?
Nebula starts at Free and NetBird at Free.
Does Nebula or NetBird run on more platforms?
Nebula runs on Linux, macOS, Windows, iOS, Android, FreeBSD. NetBird runs on Linux, macOS, Windows, iOS, Android, Docker.
Can I use Nebula for free?
Both have a free tier, so you can try either at no cost before committing.
What is Nebula best used for?
Nebula is most often used for flattening a network across several clouds and datacentres without vpc peering or route tables, very large fleets where a central policy service on the connection path is unacceptable, environments that already run an internal certificate authority and want the network to use it, replacing per host iptables rules with policy written against roles that follow the host. Of those, flattening a network across several clouds and datacentres without vpc peering or route tables and very large fleets where a central policy service on the connection path is unacceptable are not what NetBird is typically brought in for.
What can Nebula do that NetBird cannot?
Nebula covers Certificate carried identity, Group based host firewall, Lighthouse discovery, Noise protocol encryption. NetBird covers WireGuard data plane, NAT traversal with relay fallback, Identity based access control, Network routes.

Answered from the vendors’ own pages

Nebula: Does it use WireGuard?

No. Nebula predates the common WireGuard mesh tools and uses the Noise protocol framework with its own certificate format.

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.

Nebula: Can I run it without Defined Networking?

Yes, entirely. Defined Networking sells the control plane conveniences, not the network itself.

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.

Nebula: How do I revoke a host?

Add its certificate fingerprint to the blocklist in the configuration of the other hosts and reload them. There is no online revocation check.

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.

Nebula: Is it a good fit for laptops?

Less so than the identity provider based tools. There is no single sign on, so every laptop needs a certificate issued and renewed by whatever process you build.

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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