Workflow Systems

Find the right system for your workflows

Explore the open source landscape and discover systems with rich community metadata.

37
Open source systems
25
Provide WCI metadata

Systems with WCI metadata

These projects provide structured metadata for richer discovery.

AiiDA

A workflow manager for computational science with a strong focus on provenance, performance and extensibility.

WCI WCI metadata
Python AiiDA v2.7.2 20 Jan 2026

pyiron

A workflow manager for scientific computing on high performance computing infrastructures

WCI WCI metadata
python pyiron_base-0.15.12 20 Jan 2026

Snakemake

This is the development home of the workflow management system Snakemake. For general information, see

WCI WCI metadata
Python v9.14.8 20 Jan 2026

Cylc

A general purpose workflow engine with a particular gift for cycling.

WCI WCI metadata
Python cylc-flow-8.6.2 20 Jan 2026

Nextflow

A DSL for data-driven computational pipelines

WCI WCI metadata
Groovy Version 25.12.0-edge 20 Jan 2026

nipype

Neuroimaging in Python: Pipelines and Interfaces

WCI WCI metadata
Python3 1.10.0 19 Jan 2026

StreamFlow

Towards Cloud-HPC Continuum

WCI WCI metadata
Python 0.2.0.dev13 17 Jan 2026

Swift/T

An MPI-based workflow system

WCI WCI metadata
Built with C; programmed with the Swift/T language 1.6.6 16 Jan 2026

Covalent

Distributed workflows for quantum and HPC

WCI WCI metadata
Python v0.240.0 16 Jan 2026

Parsl

Productive parallel programming in Python

WCI WCI metadata
Python 1.2.0 16 Jan 2026

TaskVine

An execution system for large scale data intensive dynamic workflows.

WCI WCI metadata
Python devel 13 Jan 2026

Makeflow

Makeflow is a workflow system for parallel and distributed computing that uses a language very similar to Make.

WCI WCI metadata
Make devel 13 Jan 2026

libEnsemble

Tool for running dynamic ensembles.

WCI WCI metadata
Python 1.5.0 13 Jan 2026

SciPipe

Robust, flexible and resource-efficient pipelines using Go and the commandline.

WCI WCI metadata
Go v0.12.0: Important bugfix. Minor API change. 10 Jan 2026

DragonHPC

Accelerate distributed Python workflows

WCI WCI metadata
Python 0.13 08 Jan 2026

PyCOMPSs/COMPSs

Easy task-based parallelization and efficient execution in distributed infrastructures.

WCI WCI metadata
Python, Java, C/C++ 3.3.3 Orchid Update 01 Jan 2026

SmartSim

Machine learning workflows with HPC applications (Python, C++, C, and Fortran)

WCI WCI metadata
Python 0.8.0 27 Dec 2025

Geoweaver

a lightweight workflow software to easily orchestrate pipelines from Python and shell scripts and preserve history of every execution

WCI WCI metadata
JavaScript v2.1.7-pre 25 Dec 2025

Maestro Workflow Conductor

Orchestrate your HPC workflows with ease

WCI WCI metadata
Python v1.1.11 15 Dec 2025

DagOnStar

DAGonStar is a simple Python-based workflow engine that runs jobs on everything from the local machine to distributed virtual HPC clusters hosted in private and public clouds.

WCI WCI metadata
Python v1.0.2 26 Nov 2025

Merlin

Enabling Machine Learning HPC Workflows

WCI WCI metadata
Python Version 2.0.0b4 24 Nov 2025

RADICAL-AsyncFlow

High Performance Asynchronous Workflow Scripting Library

WCI WCI metadata
Python 0.2.0 14 Nov 2025

RADICAL-EnTK

Ensemble Toolkit

WCI WCI metadata
Python 1.102.0 06 Nov 2025

WATTS

Workflow and Template Toolkit for Simulation

WCI WCI metadata
Python 0.5.2 24 Sep 2025

Apollo Runtime System

A runtime system for the orchestration of workflows across the cloud-edge-Iot continuum.

WCI WCI metadata
Polyglot for Functions, AFCL for workflows v1.1.0 13 Dec 2021

More workflow systems

A growing list of open source systems shared by the community.

mlflow

The open source developer platform to build AI agents and models with confidence. Enhance your AI applications with end-to-end tracking, observability, and evaluations, all in one integrated platform.

Python v3.9.0rc0 20 Jan 2026

galaxy

Data intensive science for everyone.

Python v25.1.0 20 Jan 2026

cromwell

Scientific workflow engine designed for simplicity & scalability. Trivially transition between one off use cases to massive scale production environments

Scala 91 20 Jan 2026

dask

Parallel computing with task scheduling

Python 2026.1.1 20 Jan 2026

jobflow

jobflow is a library for writing computational workflows.

Python v0.2.1 20 Jan 2026

globus-compute

Globus Compute: High Performance Function Serving for Science

Python 4.4.0 15 Jan 2026

pegasus

Pegasus Workflow Management System - Automate, recover, and debug scientific computations.

Java 5.1.1 14 Jan 2026

fireworks

The Fireworks Workflow Management Repo.

Python v2.0.7 13 Jan 2026

toil

A WDL, CWL and Python API supporting easy-to-use workflow engine. It is scalable, efficient and cross-platform (Linux/macOS).

Python 9.1.2 09 Jan 2026

ewoks

Extensible Workflow System

Python 4.0.0 30 Dec 2025

hyperflow

HyperFlow: a scientific workflow engine

JavaScript v1.8.0 22 Nov 2025

signac-flow

Workflow management for signac-managed data spaces.

Python v0.29.0 31 Jul 2025

For a comprehensive list of workflow systems, see Computational Data Analysis Workflow Systems maintained by the CWL community.