Free OSS; Cloud usage-based Temporal
Open-source orchestrator
Durable workflow orchestration for developers coordinating application steps, retries, and approvals across service failures.
Orchestration
Schedulers that run the pipeline, retry it, and tell you when it breaks.
Loading tools…
Free OSS; Cloud usage-based 
Argo Workflows
Open-source orchestrator
Open-source workflow engine for coordinating containerized batch jobs and data pipelines on Kubernetes.
Monthly minimum Union
Managed orchestrator
A commercial platform built on Flyte for coordinating data, machine learning, and AI workloads in your own infrastructure. Best suited to engineering teams with demanding execution and recovery requirements.
Free OSS; infrastructure extra Flyte
Open-source orchestrator
Open-source workflow runtime for data, machine learning, and AI workloads, with Python task authoring, recovery, caching, and resource configuration.
Open source / paid editions Kestra
Open-source orchestrator
Workflow orchestration with synchronized visual and YAML editing, multi-language script tasks, event triggers, and configurable recovery.
Free OSS / paid managed cloud Mage
Open-source orchestrator
Build and orchestrate custom data pipelines with reusable Python, SQL, and R blocks, dbt support, and optional Pro AI assistance.
Free / paid Cloud Prefect
Open-source orchestrator
Python workflow orchestration with scheduling, retries, caching, monitoring, and flexible execution through self-hosted infrastructure or Prefect Cloud.
Usage-based paid service; free trial Astronomer
Managed orchestrator
Managed Apache Airflow through Astro, with local development tools, dbt orchestration, observability options, and enterprise deployment controls.
From $10/mo Dagster
Open-source orchestrator
Asset-based orchestrator with a hosted Dagster+ control plane. Open source is free; Dagster+ starts at $10 a month plus $0.040 per credit.
Open source Apache Airflow
Open-source orchestrator
The default open-source orchestrator. Free to run yourself; managed versions from Astronomer (Astro deployments from $0.35 an hour), AWS and Google.