Horus Runtime
Reproducible scientific workflows, from your laptop to the HPC cluster.
Find the right system for your workflows
Explore the open source landscape and discover systems with rich community metadata.
38
Open source systems
26
Provide WCI metadata
Systems with WCI metadata
These projects provide structured metadata for richer discovery.
Cylc
A general purpose workflow engine with a particular gift for cycling.
Swift/T
An MPI-based workflow system
StreamFlow
Towards Cloud-HPC Continuum
SciPipe
Robust, flexible and resource-efficient pipelines using Go and the commandline.
pyiron
A workflow manager for scientific computing on high performance computing infrastructures
Parsl
Productive parallel programming in Python
RADICAL-AsyncFlow
High Performance Asynchronous Workflow Scripting Library
Snakemake
This is the development home of the workflow management system Snakemake. For general information, see
Covalent
Distributed workflows for quantum and HPC
AiiDA
A workflow manager for computational science with a strong focus on provenance, performance and extensibility.
Ewoks
Meta-workflow system for scientific data processing and expert systems
DragonHPC
Accelerate distributed Python workflows
Makeflow
Makeflow is a workflow system for parallel and distributed computing that uses a language very similar to Make.
TaskVine
An execution system for large scale data intensive dynamic workflows.
Geoweaver
a lightweight workflow software to easily orchestrate pipelines from Python and shell scripts and preserve history of every execution
nipype
Neuroimaging in Python: Pipelines and Interfaces
Maestro Workflow Conductor
Orchestrate your HPC workflows with ease
Merlin
Enabling Machine Learning HPC Workflows
SmartSim
Machine learning workflows with HPC applications (Python, C++, C, and Fortran)
PyCOMPSs/COMPSs
Easy task-based parallelization and efficient execution in distributed infrastructures.
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.
WATTS
Workflow and Template Toolkit for Simulation
RADICAL-EnTK
Ensemble Toolkit
libEnsemble
Tool for running dynamic ensembles.
Apollo Runtime System
A runtime system for the orchestration of workflows across the cloud-edge-Iot continuum.
More workflow systems
A growing list of open source systems shared by the community.
pegasus
Pegasus Workflow Management System - Automate, recover, and debug scientific computations.
mlflow
The open source AI engineering platform for agents, LLMs, and ML models. MLflow enables teams of all sizes to debug, evaluate, monitor, and optimize production-quality AI applications while controlling costs and managing access to models and data.
toil
A WDL, CWL and Python API supporting easy-to-use workflow engine. It is scalable, efficient and cross-platform (Linux/macOS).
dask
Parallel computing with task scheduling
nextflow
A workflow language for data-driven computational pipelines
jobflow
jobflow is a library for writing computational workflows.
galaxy
Data intensive science for everyone.
globus-compute
Globus Compute: High Performance Function Serving for Science
cromwell
Scientific workflow engine designed for simplicity & scalability. Trivially transition between one off use cases to massive scale production environments
fireworks
The Fireworks Workflow Management Repo.
hyperflow
HyperFlow: a scientific workflow engine
signac-flow
Workflow management for signac-managed data spaces.
For a comprehensive list of workflow systems, see Computational Data Analysis Workflow Systems maintained by the CWL community.