A curated list of awesome open source workflow engines
- Airflow
- Python-based platform for running directed acyclic graphs (DAGs) of tasks
- Argo
- Open source container-native workflow engine for getting work done on Kubernetes
- Azkaban
- Batch workflow job scheduler created at LinkedIn to run Hadoop jobs.
- Brigade
- Brigade is a tool for running scriptable, automated tasks in the cloud — as part of your Kubernetes cluster.
- Cadence
- An orchestration engine to execute asynchronous long-running business logic developed by Uber Engineering.
- CloudSlang
- Workflow engine to automate your DevOps use cases.
- Conductor
- Netflix's Conductor is an orchestration engine that runs in the cloud.
- Copper
- A high performance Java workflow engine.
- Cromwell
- Workflow engine written in Scala and designed for simplicity and scalability. Executes workflows written in WDL or CWL.
- Cylc
- Workflow engine that orchestrates complex distributed workflows with cyclic or acyclic graphs. It was originally designed to automate weather forecasting systems at NIWA.
- DigDag
- Digdag is a simple tool that helps you to build, run, schedule, and monitor complex pipelines of tasks.
- elsa-workflows
- A .NET Standard 2.0 Workflows Library.
- easy-rules
- The simple, stupid rules engine for Java.
- FireWorks
- FireWorks stores, executes, and manages calculation workflows.
- Fission Workflows
- A high-perfomant workflow engine for serverless functions on Kubernetes.
- Flor
- A workflow engine written in Ruby.
- Flyte
- A container-native, type-safe workflow and pipelines platform optimized for large scale processing and machine learning written in Golang. Workflows can be written in any language, with out of the box support for Python.
- Imixs-Workflow
- A powerful human-centric Workflow Engine based on the BPMN 2.0 standard.
- Kiba
- Data processing & ETL framework for Ruby
- Petri Flow
- Petri Net workflow engine for Ruby.
- Mistral
- Workflow service, in OpenStack foundation.
- N8n-io
- Free and open node based Workflow Automation Tool. Easily automate tasks across different services.
- Nextflow
- Develop container-backed, reproducible workflows portable across computational platforms including local, HPC schedulers, AWS Batch, Google Genomics Pipelines, and Kubernetes.
- Oozie
- Workflow Scheduler for Hadoop.
- Pallets
- Simple and reliable workflow engine, written in Ruby
- Pegasus
- Automate, recover, and debug scientific computations.
- Piper
- A distributed Java workflow engine designed to be dead simple.
- Plynx
- Interactive platform with drag and drop interface for building and deploying portable and scalable end-to-end data driven workflows.
- Popper
- Lightweight, YAML based container-native workflow engine supporting Docker, Singularity, Vagrant VMs with Docker daemon in VM, and local host.
- Prefect
- Prefect is a new workflow management system, designed for modern infrastructure and powered by the open-source Prefect Core workflow engine
- RunDeck
- Job Scheduler and Runbook Automation.
- Titanoboa
- Titanoboa is a platform for creating complex workflows on JVM.
- uTask
- Automation engine that models and executes business processes declared in yaml.
- Wexflow
- A high-performance, extensible, modular and cross-platform workflow engine.
- Workflow Engine - A lightweight .NET and Java workflow engine.
- Zeebe
- A workflow engine for microservices orchestration that's capable of executing BPMN models, developed by the team at Camunda
- Activiti
- Activiti is a leading lightweight, java-centric open-source BPMN engine supporting real-world process automation needs.
- Activiti Cloud - is now the new generation of business automation platform offering a set of cloud native building blocks designed to run on distributed infrastructures.
- Flowable
- The Flowable project provides a core set of open source business process engines that are compact and highly efficient. They provide a workflow and Business Process Management (BPM) platform for developers, system admins and business users.
- jBPM
- The core of jBPM is a light-weight, extensible workflow engine written in pure Java that allows you to execute business processes using the latest BPMN 2.0 specification.
- Bip.io - Web Automation For People And Robots.
- Refinery.io - Serverless IDE that allows you to visually build complex workflows (HTTP APIs, map/reduce, etc) on top of AWS Lambda. Supports writing in Python, Node.js, Golang, Ruby, and other languages.
- Zenaton - Workflow engine for data processes and background jobs available in PHP, Node.js, Python and Ruby.
- Camunda
- Both a java library and optionally a full fledged product on top of it.
- Captain
- Distributed, light-weight java workflow engine for a microservice architecture.
- CoreWF
- WF runtime ported to work on .NET Core
- Kogito
- Cloud-native business automation technology. Embeddable to produce JVM or GraalVM artifacts or interacted through Kafka & REST APIs
- Luigi
- Python module that helps you build complex pipelines of batch jobs.
- Viewflow
- Reusable workflow library that helps organize people collaboration business logic in django applications.
- Workflow Core
- Lightweight workflow engine for .NET Standard
- WorkflowEngine.NET
- WorkflowEngine.NET - component that adds workflow in your application. It can be fully integrated into your application, or be in the form of a specific service (such as a web service)
