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Automation Integration · head to head

Flowable vs Spring Cloud Gateway

Flowable logo

Flowable

Automation Integration

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

From
Free
Rated
-
Spring Cloud Gateway logo

Spring Cloud Gateway

APIs

API gateway built on Project Reactor for building microservices

From
Free
Rated
-

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.; Spring Cloud Gateway released under the Apache 2.0 license, free and open source with no commercial tier
  • They diverge on capability: Flowable covers BPMN 2.0 engine, Spring Cloud Gateway covers Routing.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Flowable and Spring Cloud Gateway actually diverge.

Attributes where Flowable and Spring Cloud Gateway differ
AttributeFlowableSpring Cloud Gateway
Pricing modelquoteopen-source
PlatformsLinux, Windows, Docker, Kubernetes, CloudJava, Spring Boot
CategoryAutomation IntegrationAPIs
FoundedUnknown1998

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 Spring Cloud Gateway

  • Routing
  • Path Rewriting
  • Circuit Breaker
  • Spring Boot
  • Spring Security
  • Spring Cloud
  • Java support
  • Spring Boot support

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 Spring Cloud Gateway
  • A bank embedding process orchestration inside an existing Spring Boot estate rather than buying a separate platformnot Spring Cloud Gateway
  • A team leaving Activiti or jBPM that wants the same API family with active commercial maintenancenot Spring Cloud Gateway
  • A regulated organisation needing complete process history and decision table audit trails for supervisorsnot Spring Cloud Gateway

Spring Cloud Gateway

  • API Developmentnot Flowable
  • API Gatewaynot Flowable
  • API Testingnot Flowable
  • API Documentationnot Flowable
  • Microservicesnot 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.

Spring Cloud Gateway

  • Released under the Apache 2.0 license, free and open source with no commercial tier

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

Spring Cloud Gateway

Free
  • Open SourceFree
    • Core Spring Cloud Gateway
    • Community support

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.

Choose Spring Cloud Gateway if

  • You need routing.
  • You want to start without paying.
  • You work on Java, Spring Boot.
  • You also want path rewriting.

Questions people ask

Is Flowable or Spring Cloud Gateway better?
Neither clearly leads. Flowable starts at Free and Spring Cloud Gateway at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Flowable or Spring Cloud Gateway?
Flowable starts at Free and Spring Cloud Gateway at Free.
Does Flowable or Spring Cloud Gateway run on more platforms?
Flowable runs on Linux, Windows, Docker, Kubernetes, Cloud. Spring Cloud Gateway runs on Java, Spring Boot.
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 Spring Cloud Gateway is typically brought in for.
What can Flowable do that Spring Cloud Gateway cannot?
Flowable covers BPMN 2.0 engine, CMMN case management, DMN decision tables, Spring Boot integration. Spring Cloud Gateway covers Routing, Path Rewriting, Circuit Breaker, Spring Boot.

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.

Spring Cloud Gateway: Is Spring Cloud Gateway free?

Yes, Spring Cloud Gateway is free and open-source software. It is part of the Spring ecosystem and available through GitHub repositories with open-source dependencies like spring-cloud-starter-gateway-server-webflux and spring-cloud-starter-gateway-server-webmvc.

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.

Spring Cloud Gateway: What enterprise support is available for Spring Cloud Gateway?

Tanzu Spring provides optional enterprise support including Day 0 access to security patches for organizations requiring guaranteed support, but specific pricing is not published on the Spring Cloud Gateway project page.

Source
Flowable: What does Flowable Enterprise cost?

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

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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