Java Workflow engine

Open-source Java projects categorized as Workflow engine

Top 11 Java Workflow engine Projects

  • conductor

    Conductor is a microservices orchestration engine.

    Project mention: Ask HN: Who is hiring? (June 2023) | | 2023-06-01

    Orkes | Backed and Front-end Engineers | Full Time | Remote or Bay Area |

    Orkes offers cloud hosted version of Netflix Conductor ( We are the core developers and founders of Conductors prior to founding Orkes.

    We are looking for engineers who are interested in building the platform used by many fortune 100 companies to build their distributed stateful applications.

    In this role, you will constantly push the boundaries of what is possible in a distributed system and developer experience.

  • Flowable (V6)

    A compact and highly efficient workflow and Business Process Management (BPM) platform for developers, system admins and business users.

    Project mention: Flowable (V6) VS javactrl-kafka - a user suggested alternative | | 2023-02-02
  • InfluxDB

    Access the most powerful time series database as a service. Ingest, store, & analyze all types of time series data in a fully-managed, purpose-built database. Keep data forever with low-cost storage and superior data compression.

  • kestra

    Kestra is an infinitely scalable orchestration and scheduling platform, creating, running, scheduling, and monitoring millions of complex pipelines.

    Project mention: Kestra | /r/devopspro | 2023-05-28
  • zeebe

    Distributed Workflow Engine for Microservices Orchestration

    Project mention: Moving Config Docs From YAML to Markdown | | 2023-05-03

    You can Ctrl + F (or Command + F) your way through the file, but you have to know what you are looking for.

  • kogito-runtimes

    Kogito Runtimes - Kogito is a cloud-native business automation technology for building cloud-ready business applications.

    Project mention: Optimizing Decision Making with a Trie Tree-Based Rules Engine: An Experience Report | | 2023-01-23

    First, I transformed this Trie Tree implementation into an open-source project, which I called Praecepta (Rules in Latin), so anyone can try it out. Then, I added three modules to it, with a decision table based on a real scenario (blurred input/output values). Each module uses a different framework: Praecepta, Camunda 7, and Kogito (the newest Kie solution for the Cloud).

  • sdk-java

    Temporal Java SDK

    Project mention: Event-driven architecture pattern has been deprecated and replaced by the Saga pattern | /r/microservices | 2023-05-28

    I'm very biased towards orchestration as a founder of an open source microservice orchestrator

  • cadence-java-client

    Java framework for Cadence Workflow Service

  • Sonar

    Write Clean Java Code. Always.. Sonar helps you commit clean code every time. With over 600 unique rules to find Java bugs, code smells & vulnerabilities, Sonar finds the issues while you focus on the work.

  • samples-java

    Temporal Java SDK samples

    Project mention: Saga Pattern Made Easy | | 2023-05-24

    Java: Booking Saga

  • act

    Executable state charts, property based testing and more. (by bertilmuth)

    Project mention: Property Based Testing of State Machines in Java | /r/java | 2022-08-16

    I created a library for defining state machines in Java:

  • orkes-conductor-community

    Orkes Conductor is a microservices orchestration engine.

    Project mention: Running a Billion Workflows a month with Netflix Conductor | | 2023-05-15

    Orkes, founded by the founding engineers of Netflix Conductor, is a fully managed service offering Conductor as a hosted service in the cloud and on-prem. Checkout our community edition for a fully open source version of Orkes stack.

  • javactrl-kafka

    Workflow As Code on Kafka

    Project mention: Consuming/Producing to same topic from an application | /r/apachekafka | 2023-03-28

    This is a fairly typical pattern for orchestrating microservices. I developed a tiny library exactly for the same purposes using this -

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2023-06-01.

Java Workflow engine related posts


What are some of the best open-source Workflow engine projects in Java? This list will help you:

Project Stars
1 conductor 9,792
2 Flowable (V6) 6,469
3 kestra 3,484
4 zeebe 2,754
5 kogito-runtimes 441
6 sdk-java 148
7 cadence-java-client 123
8 samples-java 109
9 act 32
10 orkes-conductor-community 17
11 javactrl-kafka 5
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