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Cloud · head to head

Crossplane vs kind

Crossplane logo

Crossplane

Cloud

The Cloud-Native Framework for Platform Engineering

From
Free
Rated
-
Full reviewWebsite
kind logo

kind

Cloud

Run Kubernetes clusters inside Docker containers

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Crossplane requires Kubernetes expertise and infrastructure; kind requires Docker or Podman, so it inherits whatever container runtime limitations exist on the host
  • They diverge on capability: Crossplane covers Kubernetes extension, kind covers Nodes as containers.

Where they differ

Only the attributes on which Crossplane and kind actually diverge.

Attributes where Crossplane and kind differ
AttributeCrossplanekind
Pricing modelUnknownOpen source, no licence fee
PlatformsKubernetes, AWS, Azure, GCPLinux, macOS, Windows

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

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 Crossplane

  • Kubernetes extension
  • Custom API building
  • Resource management anywhere
  • Declarative interfaces
  • Component library
  • Provider ecosystem

Only in kind

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

What people use each for

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

Crossplane

  • Building platform-as-a-service offerings for internal teamsnot kind
  • Creating unified control layers for multi-cloud infrastructurenot kind
  • Designing declarative APIs for infrastructure provisioningnot kind

kind

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

Where each one falls short

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

Crossplane

  • Requires Kubernetes expertise and infrastructure
  • Steep learning curve for teams new to Kubernetes patterns
  • Provider ecosystem smaller than Terraform

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

Pricing, plan by plan

Crossplane

Free

No published plan breakdown. See the Crossplane review.

kind

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

Which should you pick?

Choose Crossplane if

  • You need kubernetes extension.
  • You want to start without paying.
  • You work on Kubernetes, AWS, Azure, GCP.
  • You also want custom api building.
Crossplane review

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

Questions people ask

Is Crossplane or kind better?
Neither clearly leads. Crossplane starts at Free and kind at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Crossplane or kind?
Crossplane starts at Free and kind at Free.
Does Crossplane or kind run on more platforms?
Crossplane runs on Kubernetes, AWS, Azure, GCP. kind runs on Linux, macOS, Windows.
Can I use Crossplane for free?
Both have a free tier, so you can try either at no cost before committing.
What is Crossplane best used for?
Crossplane is most often used for building platform-as-a-service offerings for internal teams, creating unified control layers for multi-cloud infrastructure, designing declarative apis for infrastructure provisioning. Of those, building platform-as-a-service offerings for internal teams and creating unified control layers for multi-cloud infrastructure are not what kind is typically brought in for.
What can Crossplane do that kind cannot?
Crossplane covers Kubernetes extension, Custom API building, Resource management anywhere, Declarative interfaces. kind covers Nodes as containers, Multi-node topologies, CI-friendly, Local image loading.

Answered from the vendors’ own pages

Crossplane: Is Crossplane free?

Yes, Crossplane is open source and free to use. It requires a Kubernetes cluster but has no licensing costs.

Source
kind: Is kind free?

Yes, open source and maintained under Kubernetes SIGs.

Crossplane: What is Crossplane used for?

Crossplane is used to build control planes and platforms for infrastructure management, enabling platform teams to expose safe APIs to other teams.

Source
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.

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.

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