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Networking · head to head

Netdata vs ZeroTier

Netdata logo

Netdata

Networking

Per-second metrics collection with automatic dashboards and on-node anomaly detection

From
Free
Rated
-
Full reviewWebsite
ZeroTier logo

ZeroTier

Networking

Software-defined mesh networking, free up to 10 devices and one network, then billed per device

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Netdata the dashboard interface is under a restrictive Netdata licence rather than GPL and is served from Netdata infrastructure by default, so the deployment is not fully self-contained without extra configuration.; ZeroTier the free tier caps at 10 devices and 1 network, which a small business will outgrow quickly and then face both a base plan fee and per-device overage charges
  • They diverge on capability: Netdata covers Per-second collection, ZeroTier covers Peer-to-peer mesh networking.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Netdata and ZeroTier actually diverge.

Attributes where Netdata and ZeroTier differ
AttributeNetdataZeroTier
Pricing modelOpen source, no licence feeFree up to 10 devices and 1 network, then per additional device per month
PlatformsLinux, macOS, FreeBSD, Docker, Kubernetes, WindowsWindows, macOS, Linux, iOS, Android

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 Netdata

  • Per-second collection
  • Zero-configuration discovery
  • Edge machine learning
  • Tiered database engine
  • Streaming and replication
  • Health alarms

Only in ZeroTier

  • Peer-to-peer mesh networking
  • Free personal tier
  • Per-device overage pricing
  • Multiple networks
  • Cross-platform clients

What people use each for

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

Netdata

  • Diagnosing a short-lived performance incident where one-minute averages hide the spike entirelynot ZeroTier
  • Kubernetes clusters where per-series billing from a hosted vendor has become the largest observability costnot ZeroTier
  • Adding dense host visibility to an estate that already has Prometheus for application metricsnot ZeroTier
  • Small teams with no monitoring engineer who need working dashboards on the day of installationnot ZeroTier

ZeroTier

  • A hobbyist or small home lab wanting free virtual LAN connectivity across devices without a business tiernot Netdata
  • A small business connecting a handful of remote offices or remote workers into one virtual network on the Essential plannot Netdata
  • A growing company scaling past the free device limit that needs multiple networks and predictable per-device overage pricingnot Netdata
  • A service provider or large IoT deployer needing custom Enterprise or Quantum packaging for very large device countsnot Netdata

Where each one falls short

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

Netdata

  • The dashboard interface is under a restrictive Netdata licence rather than GPL and is served from Netdata infrastructure by default, so the deployment is not fully self-contained without extra configuration.
  • Retention is limited by disk on each node unless you build and maintain a parent tier, which makes it a poor archive for year-over-year capacity planning.
  • Per-second collection consumes noticeable CPU and memory on small or heavily loaded nodes, and on constrained edge hardware the monitoring becomes part of the problem.
  • Default alerting is generous and fires on conditions many teams consider normal, so the first weeks involve pruning alarms rather than responding to them.
  • Fleet-level features that make it usable across hundreds of nodes sit in Netdata Cloud, so the free agent alone leaves you visiting individual node dashboards.

ZeroTier

  • The free tier caps at 10 devices and 1 network, which a small business will outgrow quickly and then face both a base plan fee and per-device overage charges
  • Per-additional-device pricing on Essential ($2.00 each) is proportionally expensive for a team that grows just past the included count, since the jump from free to paid is immediate once the 11th device joins
  • Relay fallback, when a direct peer-to-peer path cannot be established (common behind certain NAT or firewall configurations), routes traffic through ZeroTier's infrastructure, adding latency and a dependency the buyer does not fully control
  • Enterprise and Quantum tiers are entirely custom-quoted, so very large deployments cannot be budgeted from the public pricing page
  • Network administration for larger deployments (Scale and above) still requires understanding ZeroTier's access control and network rule model, which has a real learning curve beyond simple device joining
  • As with any software-defined mesh network, security depends on correctly configured network authorization; a misconfigured network can expose devices more broadly than intended

Pricing, plan by plan

Netdata

Free
  • Netdata AgentFree
    • GPLv3 agent with unlimited nodes
    • Per-second metrics and edge anomaly detection
    • Local dashboards and alerting
  • Netdata Cloud paid tiers$undefined/month
    • Per-node subscription for fleet management features
    • Role based access control and longer alert history
    • Business and enterprise support options

ZeroTier

Free
  • PersonalFree
    • 10 devices included
    • 1 network
  • Essential$18/month
    • 10 devices included
    • 10 networks
    • $2.00 per additional device/month
  • Scale$179/month
    • 100 devices included
    • Unlimited networks
    • $1.80 per additional device/month

Which should you pick?

Choose Netdata if

  • You need per-second collection.
  • You want to start without paying.
  • You work on Linux, macOS, FreeBSD, Docker, Kubernetes, Windows.
  • You also want zero-configuration discovery.
Netdata review

Choose ZeroTier if

  • You need peer-to-peer mesh networking.
  • You want to start without paying.
  • You work on Windows, macOS, Linux, iOS, Android.
  • You also want free personal tier.
ZeroTier review

Questions people ask

Is Netdata or ZeroTier better?
Neither clearly leads. Netdata starts at Free and ZeroTier at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Netdata or ZeroTier?
Netdata starts at Free and ZeroTier at Free.
Does Netdata or ZeroTier run on more platforms?
Netdata runs on Linux, macOS, FreeBSD, Docker, Kubernetes, Windows. ZeroTier runs on Windows, macOS, Linux, iOS, Android.
Can I use Netdata for free?
Both have a free tier, so you can try either at no cost before committing.
What is Netdata best used for?
Netdata is most often used for diagnosing a short-lived performance incident where one-minute averages hide the spike entirely, kubernetes clusters where per-series billing from a hosted vendor has become the largest observability cost, adding dense host visibility to an estate that already has prometheus for application metrics, small teams with no monitoring engineer who need working dashboards on the day of installation. Of those, diagnosing a short-lived performance incident where one-minute averages hide the spike entirely and kubernetes clusters where per-series billing from a hosted vendor has become the largest observability cost are not what ZeroTier is typically brought in for.
What can Netdata do that ZeroTier cannot?
Netdata covers Per-second collection, Zero-configuration discovery, Edge machine learning, Tiered database engine. ZeroTier covers Peer-to-peer mesh networking, Free personal tier, Per-device overage pricing, Multiple networks.

Answered from the vendors’ own pages

Netdata: Is Netdata fully open source?

The agent is GPLv3. The current dashboard interface is under a separate restrictive licence, so the complete product is open core rather than open source.

ZeroTier: Is ZeroTier free for personal use?

Yes, the Personal plan is free for up to 10 devices and 1 network.

Netdata: Can it run without any connection to Netdata Cloud?

Yes, agents work standalone and dashboards can be served locally, but you lose fleet-wide views and need to configure local interface serving deliberately.

ZeroTier: How does overage pricing work?

Beyond a plan's included device count, additional devices are billed individually per month, at $2.00 each on Essential and $1.80 each on Scale.

Netdata: Does it replace Prometheus?

For host and container infrastructure metrics it often does. For custom application metrics with an existing exporter ecosystem and long retention, most teams keep both.

ZeroTier: Is there a nonprofit or education discount?

Yes, registered charities and educational organisations receive up to 50% off.

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