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Automation Integration · head to head

Flowable vs Kubernetes

Flowable logo

Flowable

Automation Integration

Apache 2.0 BPMN, CMMN and DMN engine from the team that originally built Activiti

From
Free
Rated
-
Full reviewWebsite
Kubernetes logo

Kubernetes

Technology

Production-grade container orchestration

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Flowable the open source engine is genuinely usable but ships without the modelling studio, work application and admin console, so an open source deployment means building your own user interfaces before anyone can use it.; Kubernetes complex initial setup and configuration with multiple interdependent components
  • They diverge on capability: Flowable covers BPMN 2.0 engine, Kubernetes covers Container orchestration.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Flowable and Kubernetes actually diverge.

Attributes where Flowable and Kubernetes differ
AttributeFlowableKubernetes
Pricing modelquoteUnknown
PlatformsLinux, Windows, Docker, Kubernetes, CloudLinux, Cloud (AWS, GCP, Azure)
CategoryAutomation IntegrationTechnology
FoundedUnknown2014

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 Flowable

  • BPMN 2.0 engine
  • CMMN case management
  • DMN decision tables
  • Spring Boot integration
  • Modelling studio
  • Task and case application
  • REST APIs
  • History and audit

Only in Kubernetes

  • Container orchestration
  • Automatic scaling
  • Self-healing
  • Service discovery
  • Load balancing
  • Storage orchestration
  • Automated rollouts
  • Secret management

What people use each for

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

Flowable

  • An insurer automating claims handling where each case follows a different path and BPMN alone cannot express itnot Kubernetes
  • A bank embedding process orchestration inside an existing Spring Boot estate rather than buying a separate platformnot Kubernetes
  • A team leaving Activiti or jBPM that wants the same API family with active commercial maintenancenot Kubernetes
  • A regulated organisation needing complete process history and decision table audit trails for supervisorsnot Kubernetes

Kubernetes

  • Microservices deploymentnot Flowable
  • Cloud-native applicationsnot Flowable
  • CI/CD pipelinesnot Flowable
  • Multi-cloud deploymentsnot Flowable
  • Edge computingnot Flowable

Where each one falls short

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

Flowable

  • The open source engine is genuinely usable but ships without the modelling studio, work application and admin console, so an open source deployment means building your own user interfaces before anyone can use it.
  • It expects Java engineering capacity; teams looking for a business-user low-code automation tool will find the modelling and deployment cycle far too technical.
  • Enterprise pricing is not published and is quoted per deployment, leaving buyers without a benchmark against Camunda or IBM alternatives.
  • The Activiti fork left three engines with related APIs and overlapping documentation in circulation, and search results routinely return advice for the wrong one.
  • Flowable AG is a small Swiss company relative to its competitors, so the partner network, training market and pool of engineers with production experience are all limited outside Europe.

Kubernetes

  • Complex initial setup and configuration with multiple interdependent components
  • Significant resource requirements for both hardware infrastructure and specialized human expertise
  • Expensive specialized talent in Kubernetes domain; hiring costs prohibitive for many organizations
  • New security challenges around container isolation and network security requiring robust measures
  • Requires continuous maintenance and updates to stay current with releases and security patches

Pricing, plan by plan

Flowable

Free
  • Flowable Open SourceFree
    • Apache 2.0 licensed BPMN, CMMN and DMN engines
    • Embeddable Java library or standalone apps
    • No modelling studio or enterprise applications
  • Flowable Enterprise$undefined/year
    • Modelling studio, work application and admin console
    • Connectors, forms and advanced identity management
    • Support with SLA and version maintenance

Kubernetes

Free

No published plan breakdown. See the Kubernetes review.

Which should you pick?

Choose Flowable if

  • You need bpmn 2.0 engine.
  • You want to start without paying.
  • You work on Linux, Windows, Docker, Kubernetes, Cloud.
  • You also want cmmn case management.
Flowable review

Choose Kubernetes if

  • You need container orchestration.
  • You want to start without paying.
  • You work on Linux, Cloud (AWS, GCP, Azure).
  • You also want automatic scaling.
Kubernetes review

Questions people ask

Is Flowable or Kubernetes better?
Neither clearly leads. Flowable starts at Free and Kubernetes at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Flowable or Kubernetes?
Flowable starts at Free and Kubernetes at Free.
Does Flowable or Kubernetes run on more platforms?
Flowable runs on Linux, Windows, Docker, Kubernetes, Cloud. Kubernetes runs on Linux, Cloud (AWS, GCP, Azure).
Can I use Flowable for free?
Both have a free tier, so you can try either at no cost before committing.
What is Flowable best used for?
Flowable is most often used for an insurer automating claims handling where each case follows a different path and bpmn alone cannot express it, a bank embedding process orchestration inside an existing spring boot estate rather than buying a separate platform, a team leaving activiti or jbpm that wants the same api family with active commercial maintenance, a regulated organisation needing complete process history and decision table audit trails for supervisors. Of those, an insurer automating claims handling where each case follows a different path and bpmn alone cannot express it and a bank embedding process orchestration inside an existing spring boot estate rather than buying a separate platform are not what Kubernetes is typically brought in for.
What can Flowable do that Kubernetes cannot?
Flowable covers BPMN 2.0 engine, CMMN case management, DMN decision tables, Spring Boot integration. Kubernetes covers Container orchestration, Automatic scaling, Self-healing, Service discovery.

Answered from the vendors’ own pages

Flowable: Is Flowable open source?

Yes, the BPMN, CMMN and DMN engines are Apache 2.0. The modelling studio and enterprise applications are commercial.

Kubernetes: What is Kubernetes used for?

Kubernetes is a container orchestration platform that automates deployment, scaling, and management of containerized applications across clusters of machines.

Source
Flowable: How does it relate to Activiti and jBPM?

The same core developers built jBPM, then Activiti, then forked Activiti in 2016 to create Flowable.

Kubernetes: Is Kubernetes free?

Yes, Kubernetes is free, open-source software maintained by the Cloud Native Computing Foundation. However, running Kubernetes clusters requires infrastructure investment.

Source
Flowable: What does Flowable Enterprise cost?

Nothing is published. It is quoted per deployment by the vendor.

Kubernetes: How hard is it to learn Kubernetes?

Kubernetes has a steep learning curve. It requires deep knowledge of containerization, networking, and distributed systems. Teams without prior container experience should expect significant training time.

Source
Flowable: Why choose it over Camunda?

CMMN case management is a first-class engine, which matters when work is exception-driven rather than a fixed sequence.

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