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Automation Integration · head to head

Activiti vs Asyncapi

Activiti logo

Activiti

Automation Integration

Apache 2.0 BPMN engine under Hyland, from which Flowable and Camunda were forked

From
Free
Rated
-
Full reviewWebsite
Asyncapi logo

Asyncapi

APIs

Specification and tools for defining asynchronous APIs

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Activiti the last stable release was 8.2.0 in January 2024, and while release candidate builds continue, a two-year gap between stable versions is a real risk signal for a production dependency.; Asyncapi complex to implement and debug asynchronous operations due to their non-linear and concurrent nature
  • They diverge on capability: Activiti covers BPMN 2.0 engine, Asyncapi covers API Specification.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Activiti and Asyncapi actually diverge.

Attributes where Activiti and Asyncapi differ
AttributeActivitiAsyncapi
Pricing modelOpen source, no licence feeopen-source
PlatformsLinux, Windows, Docker, KubernetesWeb, CLI, IDE Extensions
CategoryAutomation IntegrationAPIs
FoundedUnknown2019

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 Activiti

  • BPMN 2.0 engine
  • Activiti Cloud
  • Modeler
  • Java and REST APIs
  • Pluggable persistence
  • Identity integration

Only in Asyncapi

  • API Specification
  • Code generation
  • Documentation
  • Multiple messaging protocols
  • Code generators
  • Specification support
  • Tools support
  • CLI support

What people use each for

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

Activiti

  • An Alfresco or Hyland content services deployment where Activiti is already the embedded workflow enginenot Asyncapi
  • A Java application that needs to embed a BPMN engine as a library under a permissive licencenot Asyncapi
  • An organisation that has ruled out Camunda 8 on licence grounds and needs an Apache 2.0 alternativenot Asyncapi
  • Document-centric approval workflows where the process engine sits inside the content management stack rather than beside itnot Asyncapi

Asyncapi

  • API Developmentnot Activiti
  • API Gatewaynot Activiti
  • API Testingnot Activiti
  • API Documentationnot Activiti
  • Microservicesnot Activiti

Where each one falls short

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

Activiti

  • The last stable release was 8.2.0 in January 2024, and while release candidate builds continue, a two-year gap between stable versions is a real risk signal for a production dependency.
  • Both Camunda and Flowable forked away and took large parts of the contributor base with them, so the community, tutorials and third-party tooling around Activiti are much thinner than around either fork.
  • Commercial support is only realistically available by buying Hyland Alfresco subscriptions, so there is no way to pay for Activiti support on its own.
  • Activiti Cloud imposes a distributed architecture of several Spring Boot services plus Keycloak, which is heavy for teams who simply wanted an embeddable engine.
  • Documentation is dated and partly split between old Alfresco sites and Hyland Connect, and the transition between Activiti 6, 7 and 8 architectures makes much of the older material actively misleading.

Asyncapi

  • Complex to implement and debug asynchronous operations due to their non-linear and concurrent nature
  • Keeping AsyncAPI documents up to date is challenging as systems evolve
  • Tracing and debugging asynchronous operations is more difficult than synchronous request-response patterns

Pricing, plan by plan

Activiti

Free
  • ActivitiFree
    • Apache 2.0 licence
    • Embeddable Java library or Activiti Cloud services
    • No usage limits

Asyncapi

Free
  • Open SourceFree
    • AsyncAPI specification
    • Tools
    • Community support

Which should you pick?

Choose Activiti if

  • You need bpmn 2.0 engine.
  • You want to start without paying.
  • You work on Linux, Windows, Docker, Kubernetes.
  • You also want activiti cloud.
Activiti review

Choose Asyncapi if

  • You need api specification.
  • You want to start without paying.
  • You work on Web, CLI, IDE Extensions.
  • You also want code generation.
Asyncapi review

Questions people ask

Is Activiti or Asyncapi better?
Neither clearly leads. Activiti starts at Free and Asyncapi at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Activiti or Asyncapi?
Activiti starts at Free and Asyncapi at Free.
Does Activiti or Asyncapi run on more platforms?
Activiti runs on Linux, Windows, Docker, Kubernetes. Asyncapi runs on Web, CLI, IDE Extensions.
Can I use Activiti for free?
Both have a free tier, so you can try either at no cost before committing.
What is Activiti best used for?
Activiti is most often used for an alfresco or hyland content services deployment where activiti is already the embedded workflow engine, a java application that needs to embed a bpmn engine as a library under a permissive licence, an organisation that has ruled out camunda 8 on licence grounds and needs an apache 2.0 alternative, document-centric approval workflows where the process engine sits inside the content management stack rather than beside it. Of those, an alfresco or hyland content services deployment where activiti is already the embedded workflow engine and a java application that needs to embed a bpmn engine as a library under a permissive licence are not what Asyncapi is typically brought in for.
What can Activiti do that Asyncapi cannot?
Activiti covers BPMN 2.0 engine, Activiti Cloud, Modeler, Java and REST APIs. Asyncapi covers API Specification, Code generation, Documentation, Multiple messaging protocols.

Answered from the vendors’ own pages

Activiti: Is Activiti still maintained?

Yes, Hyland continues to publish builds, but the last stable release was 8.2.0 in January 2024.

Asyncapi: What is AsyncAPI used for?

AsyncAPI is an open-source specification for defining and documenting asynchronous APIs, message-driven systems, and event-driven architectures. It serves the same purpose for async APIs as OpenAPI does for REST APIs, providing standardized documentation, code generation, and tooling.

Source
Activiti: What is its relationship to Camunda and Flowable?

Both are forks of Activiti: Camunda in 2013 and Flowable in 2016, when core developers left Alfresco.

Asyncapi: Is AsyncAPI free to use?

Yes, AsyncAPI is completely free and open-source. It is hosted by the Linux Foundation and supported by community contributions and sponsorships from companies like Postman, IBM, IQVIA Technology, and Solace.

Source
Activiti: What licence is it?

Apache 2.0, which distinguishes it from Camunda 8’s source-available licence.

Asyncapi: What protocols and technologies does AsyncAPI support?

AsyncAPI supports multiple protocols and technologies including Kafka, RabbitMQ, MQTT, Socket.IO, AWS EventBridge, and others. It provides language support for JavaScript/TypeScript, Python, Java, Go, C#/.NET, Kotlin, and PHP.

Source
Activiti: Should I choose Activiti for a new project?

Only if the Apache licence or an existing Alfresco deployment is decisive. Flowable and Camunda have far larger ecosystems.

Asyncapi: Does AsyncAPI have IDE support?

Yes, AsyncAPI has IDE extensions available for VSCode and IntelliJ, along with CLI utilities and GitHub Actions integration for developers.

Source
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