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Cloud · head to head

kind vs VerneMQ

kind logo

kind

Cloud

Run Kubernetes clusters inside Docker containers

From
Free
Rated
-
Full reviewWebsite
VerneMQ logo

VerneMQ

Databases

Erlang MQTT broker whose source is Apache 2.0 but whose official binaries need a paid subscription

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: kind requires Docker or Podman, so it inherits whatever container runtime limitations exist on the host; VerneMQ the official binaries and Docker images are not Apache 2.0 but sit under a EULA requiring a yearly commercial subscription, a distinction easy to miss and awkward to discover during a licence audit.
  • They diverge on capability: kind covers Nodes as containers, VerneMQ covers Erlang/OTP clustering.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which kind and VerneMQ actually diverge.

Attributes where kind and VerneMQ differ
AttributekindVerneMQ
Pricing modelOpen source, no licence feequote
PlatformsLinux, macOS, WindowsLinux, Docker, macOS, Kubernetes
CategoryCloudDatabases

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

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 kind

  • Nodes as containers
  • Multi-node topologies
  • CI-friendly
  • Local image loading

Only in VerneMQ

  • Erlang/OTP clustering
  • MQTT 5.0 support
  • Plugin system
  • Backpressure handling
  • Bridge support
  • Metrics export
  • MQTT over WebSockets
  • Pluggable auth backends

What people use each for

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

kind

  • Spinning up and destroying a Kubernetes cluster inside a CI jobnot VerneMQ
  • Testing controllers and operators against several Kubernetes versionsnot VerneMQ
  • Local multi-node clusters without the memory cost of virtual machinesnot VerneMQ

VerneMQ

  • An industrial operator that wants an MQTT broker with predictable memory behaviour and no data integration features it will not usenot kind
  • A team building from source to stay strictly under Apache 2.0 terms with no vendor licence entanglementnot kind
  • A deployment needing custom authentication logic implemented as a plugin in Lua or over a webhooknot kind
  • An organisation that wants a broker maintained by a small European company rather than by a vendor that keeps changing licencesnot kind

Where each one falls short

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

kind

  • Requires Docker or Podman, so it inherits whatever container runtime limitations exist on the host
  • Fewer conveniences than minikube: no addon system, so ingress and metrics need manual installation
  • Because nodes are containers sharing the host kernel, it is a weaker simulation of real node behaviour and storage

VerneMQ

  • The official binaries and Docker images are not Apache 2.0 but sit under a EULA requiring a yearly commercial subscription, a distinction easy to miss and awkward to discover during a licence audit.
  • Octavo Labs is a very small company, so support depth, response times and the bus factor on the codebase are materially thinner than at HiveMQ or EMQ.
  • There is no data integration or rule engine layer, so routing messages into a database means writing and operating your own consumer service.
  • Operating an Erlang cluster requires runtime knowledge that most teams do not have and will use for nothing else in their stack.
  • There is no vendor-managed cloud offering, so every deployment is self-operated with the infrastructure and on-call cost that implies.

Pricing, plan by plan

kind

Free
  • kindFree
    • Full functionality
    • No usage limits
    • Community support

VerneMQ

Free
  • Source buildFree
    • Apache 2.0 licensed source from GitHub
    • Full clustering and plugin capability
    • You compile and package it yourself
  • Binary packages and Docker images$undefined/year
    • Covered by the VerneMQ EULA, not Apache 2.0
    • Yearly usage subscription expected for commercial use
    • Official builds and Docker images
  • Commercial support$undefined/year
    • Evaluation, customisation and operations assistance
    • Custom development
    • Long-term maintenance agreements

Which should you pick?

Choose kind if

  • You need nodes as containers.
  • You want to start without paying.
  • You work on Linux, macOS, Windows.
  • You also want multi-node topologies.
kind review

Choose VerneMQ if

  • You need erlang/otp clustering.
  • You want to start without paying.
  • You work on Linux, Docker, macOS, Kubernetes.
  • You also want mqtt 5.0 support.
VerneMQ review

Questions people ask

Is kind or VerneMQ better?
Neither clearly leads. kind starts at Free and VerneMQ at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, kind or VerneMQ?
kind starts at Free and VerneMQ at Free.
Does kind or VerneMQ run on more platforms?
kind runs on Linux, macOS, Windows. VerneMQ runs on Linux, Docker, macOS, Kubernetes.
Can I use kind for free?
Both have a free tier, so you can try either at no cost before committing.
What is kind best used for?
kind is most often used for spinning up and destroying a kubernetes cluster inside a ci job, testing controllers and operators against several kubernetes versions, local multi-node clusters without the memory cost of virtual machines. Of those, spinning up and destroying a kubernetes cluster inside a ci job and testing controllers and operators against several kubernetes versions are not what VerneMQ is typically brought in for.
What can kind do that VerneMQ cannot?
kind covers Nodes as containers, Multi-node topologies, CI-friendly, Local image loading. VerneMQ covers Erlang/OTP clustering, MQTT 5.0 support, Plugin system, Backpressure handling.

Answered from the vendors’ own pages

kind: Is kind free?

Yes, open source and maintained under Kubernetes SIGs.

VerneMQ: Is VerneMQ free?

The source is Apache 2.0 and free. The official binary packages and Docker images are covered by a separate EULA that expects a yearly fee for commercial use.

kind: Why run Kubernetes nodes as containers?

Speed and cost. A container node starts in seconds and uses far less memory than a virtual machine, which is what makes per-CI-run clusters realistic.

VerneMQ: Is the project still maintained?

Yes. Octavo Labs AG in Zurich continues to publish 2.x releases, most recently in 2026.

kind: Is kind suitable for production?

No. It is a development and testing tool, and node isolation is weaker than real nodes because containers share the host kernel.

VerneMQ: Does it have a managed cloud?

No. Every deployment is self-hosted, with commercial support available from Octavo Labs.

VerneMQ: How does it compare to EMQX?

Narrower in features and without a rule engine, but with a simpler licence story for source builds after EMQX moved to BSL.

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