Free OSS; Cloud usage-based Temporal
Open-source orchestrator
Durable workflow orchestration for developers coordinating application steps, retries, and approvals across service failures.
Open-source orchestrator
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.
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.
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.