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Top 11 Java Workflow engine Projects
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Flowable (V6)
A compact and highly efficient workflow and Business Process Management (BPM) platform for developers, system admins and business users.
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WorkOS
The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
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kestra
Infinitely scalable, event-driven, language-agnostic orchestration and scheduling platform to manage millions of workflows declaratively in code.
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InfluxDB
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Project mention: Show HN: Hatchet – Open-source distributed task queue | news.ycombinator.com | 2024-03-08
Kestra's communication is asynchronous and based on a queuing mechanism. It leverages the Micronaut framework and offers two runners: one that uses a database (JDBC) for both the message queue and resource storage, and another that uses Kafka as the message queue and Elasticsearch as the resource storage. The platform is fully extensible and plugin-based, providing a rich set of plugins for various workflow tasks, triggers, and data storage options. For those interested, the GitHub repository is available here: https://github.com/kestra-io/kestra
This library was heavily inspired to j-easy/easy-flows in the Java world.
Project mention: Show HN: Hatchet – Open-source distributed task queue | news.ycombinator.com | 2024-03-08How does this compare against Temporal/Cadence/Conductor? Does hatchet also support durable execution?
Java: Booking Saga
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.
Nice. It is great to see native lightweight opensource (I hope it is considering that someone said that there is no license file yet) solutions hit this space. For what it's worth, I have built something similar to this but for Java programming language. You can find it here -> https://github.com/americanexpress/unify-flowret. My reason for building something like this was that the product market is just too unwieldy to work with and has multiple layers of complexity which most of the time can be done away with. Just my opinion.
On a side note, you will at some point in time have to deal with multi version workflows. I know that this is one feature that limits wide adoption of an orchestrator.
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 2024-03-08.
Java Workflow engine related posts
- Ask HN: How have you implemented human-in-the-loop workflows?
- Which queue System you prefer for ecommerce and PS
- Open source durable execution platform
- A High-Performance, Java-Based Orchestration Platform
- Kestra is an open-source data orchestration platform for complex workflows
- Fluent typescript workflow library (still work in progress)
- How to build a reliable microservice architecture using Data Replication?
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A note from our sponsor - InfluxDB
www.influxdata.com | 19 Apr 2024
Index
What are some of the best open-source Workflow engine projects in Java? This list will help you:
| Project | Stars | |
|---|---|---|
| 1 | conductor | 10,000 |
| 2 | Flowable (V6) | 7,354 |
| 3 | kestra | 6,260 |
| 4 | zeebe | 3,023 |
| 5 | easy-flows | 612 |
| 6 | sdk-java | 193 |
| 7 | cadence-java-client | 139 |
| 8 | samples-java | 139 |
| 9 | orkes-conductor-community | 93 |
| 10 | unify-flowret | 90 |
| 11 | javactrl-kafka | 8 |
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