awesome-workflow-engines

A curated list of awesome open source workflow engines

Full fledged product

• 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.
• Camunda - BPMN-based workflow engine that can be embedded as java library (e.g. Spring Boot) or used standalone, including a graphical modeler and operations tooling.
• 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.
• Couler - Unified interface for constructing and managing workflows on different workflow engines, such as Argo Workflows, Tekton Pipelines, and Apache Airflow.
• 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.
• Dagster - Data orchestrator for machine learning, analytics, and ETL.
• 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.
• StackStorm - Robust Automation Engine providing Sensors, Triggers, Rules, Workflows, and Actions. StackStorm is how you "glue" your applications together.
• Temporal - Temporal is a microservice orchestration platform which enables developers to build scalable applications without sacrificing productivity or reliability. Temporal is a mature technology, a fork of Uber's Cadence. Temporal is being developed by Temporal Technologies, a startup by the creators of Cadence.
• 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 horizontally scalable, cloud-native workflow engine that executes BPMN models and is best operated on Kubernetes; polyglot clients connect via gRPC or available language clients.

BPM Suite

• 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.

SAAS

• Camunda Cloud - A workflow service executing BPMN, providing various language clients, based on the open source project Zeebe .
• 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.

Library (embedded usage)

• Camunda - BPMN-based workflow engine that can be embedded as java library (e.g. Spring Boot) or used standalone, including a graphical modeler and operations tooling.
• 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)