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Apache Airflow

by Apache Software Foundation

Open Source Self-Hostable Free Tier open-source API Available
Developer-FriendlyData PipelineIT Operations

Programmatic authoring, scheduling, and monitoring of data workflows Apache Airflow is an open-source workflow orchestration platform for programmatically authoring, scheduling, and monitoring data pipelines using Python DAGs (Directed Acyclic Graphs). Created at Airbnb in 2014 and now an Apache top-level project with 39,000+ GitHub stars, Airflow has over 1,000 community-maintained operators for integrating with AWS, GCP, Snowflake, PostgreSQL, and more.

Performance Scores

7.9

6 rankings evaluated

Score range: 7.2 – 8.2

Key Facts

Key facts about Apache Airflow
AttributeValueAs ofSource
Current VersionApache Airflow 2.9.x (as of Q1 2026)May 2026Official Website
GitHub Stars38,000+May 2026GitHub
OriginCreated at Airbnb in 2014, Apache top-level projectMay 2026Official Website
Operators1,000+ community-maintained operatorsMay 2026Documentation
Contributors2,800+ contributors on GitHubMay 2026GitHub
ASF StatusApache Software Foundation Top-Level Project since January 2019May 2026Official Website
Managed ServicesCloud-managed options: Astronomer, AWS MWAA, Google Cloud Composer, Azure Data Factory Managed AirflowMay 2026Official Website
Built-in Operators80+ built-in operators covering databases, cloud services, and APIsMay 2026Documentation
Monthly Downloads10M+ PyPI downloads per monthMay 2026PyPI Stats

Strengths

  • Python-native DAG definitions with full programmatic control
  • Largest community and plugin ecosystem in data orchestration
  • Managed service options from Astronomer and cloud providers
  • Proven at scale handling thousands of concurrent DAG runs
  • Over 1,000 provider plugins cover virtually every cloud data source and destination
  • 37,000+ GitHub stars and the largest community of any open-source workflow engine
  • Mature Kubernetes executor supports horizontal worker scaling
  • Apache Software Foundation governance provides long-term project stability
  • De facto standard for batch data DAGs with Airbnb, Lyft, and Netflix in production
  • Apache 2.0 licence and a vast operator ecosystem covering most data tools
  • Managed offerings on AWS, Google Cloud, and Astronomer remove ops burden
  • Long-tail of community examples, blog posts, and conference talks for almost every use case
  • 37K+ GitHub stars
  • 80+ operators
  • Cloud-managed options (Astronomer, MWAA)
  • Massive community
  • Largest community in workflow orchestration
  • Python-native DAG authoring
  • Three major managed clouds available
  • Mature operator ecosystem
  • Massive contributor community and plugin ecosystem
  • Python-native DAG definitions for developer flexibility
  • Extensive provider packages for cloud services and databases

Limitations

  • Steep learning curve for teams without Python experience
  • Self-hosted deployments require dedicated DevOps resources
  • UI is functional but not visually intuitive for non-engineers
  • No native data quality or transformation features
  • Scheduler-centric architecture means short-running tasks have notable latency overhead
  • DAGs are defined statically — dynamic workflow shapes require DAG factories or TaskFlow API patterns
  • Operational complexity at scale (scheduler, webserver, workers, metadata DB, message broker)
  • DAG model fits batch data pipelines better than long-running stateful workflows
  • Python-only authoring; not designed for cross-language back-end orchestration
  • Self-hosting at scale requires careful scheduler and metastore tuning
  • Python-only
  • Scheduler bottleneck at scale
  • Complex setup
  • No native streaming
  • DAG model less suited to real-time streaming
  • Self-host operations complex at scale
  • UI feels dated against newer entrants
  • Steeper learning curve than visual workflow builders
  • Resource-intensive for self-hosting
  • Not designed for event-driven real-time workflows

Based on evaluations in 6 rankings: Best Automation Tools for Data Teams in 2026, Best Open-Source Workflow Engines for Engineers in 2026, Best Durable Workflow Engines for Production in 2026, Best Process Orchestration Platforms 2026, Best Data Integration Platforms in 2026, Best Open Source Automation Platforms 2026

Pricing Plans

View official pricing →

Most Popular

Open Source

Free

Free and open-source, self-hosted only

  • Unlimited DAGs and task executions
  • Python-native pipeline authoring
  • Extensive operator and provider ecosystem
  • Built-in web UI for monitoring
  • Scheduling and dependency management
  • Community support via mailing list and GitHub
  • !Self-hosted only
  • !You manage infrastructure and upgrades
  • !No commercial support
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As of Jan 2026 · Source

About Apache Airflow

Apache Airflow is an open-source workflow orchestration platform for programmatically authoring, scheduling, and monitoring data pipelines using Python DAGs (Directed Acyclic Graphs). Created at Airbnb in 2014 and now an Apache top-level project with 39,000+ GitHub stars, Airflow has over 1,000 community-maintained operators for integrating with AWS, GCP, Snowflake, PostgreSQL, and more. Managed services include Astronomer, Google Cloud Composer, and Amazon MWAA.

Integrations (8)

AWS S3 native
Apache Spark native
Google BigQuery native
Kubernetes native
MySQL native
PostgreSQL native
Slack native
Snowflake native

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Questions About Apache Airflow

What are the best open-source workflow engines in 2026?

The top open-source workflow engines in 2026 are [Temporal](/tools/temporal-workflows/) (durable execution with multi-language SDKs), [Apache Airflow](/tools/apache-airflow/) (the de facto data DAG orchestrator), and [Prefect](/tools/prefect/) (modern Python-first workflow framework).

What are the best Alteryx alternatives in 2026?

As of April 2026, the leading Alteryx alternatives are Knime (open-source visual analytics), Dataiku (enterprise data science platform), Tableau Prep (Tableau-native data prep), Fivetran with dbt (modern ELT pattern), and Apache Airflow (open-source orchestration). Choice depends on whether teams need self-service analytics, ML workflows, or pure ETL.

What are the best Apache Airflow alternatives in 2026?

As of April 2026, the leading Apache Airflow alternatives are Prefect (Python-native with reactive flows), Dagster (asset-based orchestration), Temporal (durable workflow execution), Windmill (open-source script runner), and Argo Workflows (Kubernetes-native). Most teams switch from Airflow when they need easier local development or stronger typing.

How do you run Apache Airflow on Kubernetes in 2026?

As of April 2026, the standard way to run Apache Airflow on Kubernetes is to install the official Apache Airflow Helm chart (version 1.x) using the KubernetesExecutor or CeleryKubernetesExecutor. The chart provisions the scheduler, webserver, and triggerer; tasks run as ephemeral pods controlled by the executor.

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