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Automation Integration · head to head

Activiti vs DuckDB

Activiti logo

Activiti

Automation Integration

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

From
Free
Rated
-
Full reviewWebsite
DuckDB logo

DuckDB

Databases

MIT-licensed analytical SQL database that runs inside your process, with no server, no dependencies and one writer at a time.

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.; DuckDB a database file accepts one read-write process at a time; other processes must open it read-only and will not see subsequent writes, so DuckDB cannot be the shared database behind several services.
  • They diverge on capability: Activiti covers BPMN 2.0 engine, DuckDB covers In-process execution.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Activiti and DuckDB actually diverge.

Attributes where Activiti and DuckDB differ
AttributeActivitiDuckDB
Pricing modelOpen source, no licence feeopen-source
PlatformsLinux, Windows, Docker, KubernetesLinux, macOS, Windows, WebAssembly
CategoryAutomation IntegrationDatabases
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 DuckDB

  • In-process execution
  • Vectorised columnar engine
  • Direct file querying
  • Zero dependencies
  • Larger-than-memory queries
  • MIT licence
  • Postgres-flavoured SQL
  • Extension ecosystem

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 DuckDB
  • A Java application that needs to embed a BPMN engine as a library under a permissive licencenot DuckDB
  • An organisation that has ruled out Camunda 8 on licence grounds and needs an Apache 2.0 alternativenot DuckDB
  • Document-centric approval workflows where the process engine sits inside the content management stack rather than beside itnot DuckDB

DuckDB

  • Transformation steps in a data pipeline that would otherwise need Spark, replaced by SQL over Parquet in a single processnot Activiti
  • Analytical queries embedded in an application or a dashboard where shipping a database server alongside it is not acceptablenot Activiti
  • Local exploration of files that are too large for a pandas dataframe but far too small to justify a warehousenot Activiti
  • Continuous integration and testing of analytical SQL, where a real engine can run in the test process without provisioning anythingnot 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.

DuckDB

  • A database file accepts one read-write process at a time; other processes must open it read-only and will not see subsequent writes, so DuckDB cannot be the shared database behind several services.
  • There is no network protocol, authentication or user management, so exposing it to remote clients means writing and securing your own service around it.
  • It is built for scans and aggregations, not for many small transactions, so a workload of high-frequency single-row inserts and updates performs badly compared with SQLite or Postgres.
  • Storage files are backwards compatible but not forwards compatible, so a file written by a newer version cannot be read by an older one and every consumer of a shared file must be upgraded together.
  • Query memory settings matter: some operations still need to hold significant state, so an under-configured memory limit turns a large join or a high-cardinality aggregation into a spill-heavy query or an out-of-memory failure rather than a slow success.

Pricing, plan by plan

Activiti

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

DuckDB

Free

No published plan breakdown. See the DuckDB review.

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 DuckDB if

  • You need in-process execution.
  • You want to start without paying.
  • You work on Linux, macOS, Windows, WebAssembly.
  • You also want vectorised columnar engine.
DuckDB review

Questions people ask

Is Activiti or DuckDB better?
Neither clearly leads. Activiti starts at Free and DuckDB at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Activiti or DuckDB?
Activiti starts at Free and DuckDB at Free.
Does Activiti or DuckDB run on more platforms?
Activiti runs on Linux, Windows, Docker, Kubernetes. DuckDB runs on Linux, macOS, Windows, WebAssembly.
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 DuckDB is typically brought in for.
What can Activiti do that DuckDB cannot?
Activiti covers BPMN 2.0 engine, Activiti Cloud, Modeler, Java and REST APIs. DuckDB covers In-process execution, Vectorised columnar engine, Direct file querying, Zero dependencies.

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.

DuckDB: Can multiple applications share one DuckDB database?

Not for writing. One process holds the database read-write; others may attach read-only and will not see later writes. Shared multi-writer access needs a different database or a table format with a catalogue.

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.

DuckDB: Is it a replacement for a data warehouse?

For single-node analytical workloads up to a few hundred gigabytes it very often is. It is not a replacement when many concurrent users need a shared, governed, always-on service.

Activiti: What licence is it?

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

DuckDB: Do I have to load data into it?

No. It queries Parquet, CSV, JSON and Arrow in place, including on object storage. Its own storage format is optional and mainly useful when you want indexes, constraints and faster repeated access.

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.

DuckDB: What is MotherDuck's relationship to it?

MotherDuck is a separate company offering a managed and hybrid service built on the DuckDB engine. DuckDB itself remains MIT-licensed and independent of it, with the IP held by the DuckDB Foundation.

DuckDB: Is it suitable for OLTP?

No. It is designed for analytical scans. For transactional workloads with frequent small writes, SQLite or Postgres is the right tool.

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