Apache Airflow vs Conductor OSS
A side-by-side comparison of two self-hosted automation & workflows options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Apache Airflow | Conductor OSS |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 100 · Excellent | 98 · Excellent |
| Category | Automation & Workflows | Automation & Workflows |
| License | Apache-2.0 | Apache-2.0 |
| Language | Python | Java |
| Setup difficulty | Hard | Hard |
| Min. RAM | 4,096 MB | 2,048 MB |
| Deployment | docker, kubernetes, helm | docker, kubernetes, bare-metal |
| GitHub stars | ★ 46,957 | ★ 32,227 |
| First released | 2015 | 2016 |
| Replaces | AWS Step Functions, Azure Data Factory | AWS Step Functions, Camunda |
What are Apache Airflow and Conductor OSS?
Apache Airflow
Apache Airflow is a platform to author, schedule and monitor workflows as directed acyclic graphs of tasks. It is widely used for data engineering pipelines and complex job orchestration.
- Workflows defined as Python code
- Rich scheduling and dependency management
- Extensive operator and provider ecosystem
- Web UI for monitoring DAGs
Conductor OSS
Conductor is a platform created to orchestrate microservices and business processes at scale. It lets teams define workflows as JSON and run them across distributed task workers.
- JSON-defined workflows
- Distributed task workers
- Visual workflow editor
- Built for microservice orchestration
Apache Airflow vs Conductor OSS: key differences
Apache Airflow is written in Python, while Conductor OSS is built with Java. Conductor OSS is the lighter option, starting around 2,048 MB of RAM against 4,096 MB for Apache Airflow.
Why pick each one
Choose Apache Airflow if…
- Industry standard for data pipelines
- Huge ecosystem
Watch out for
- Heavy to operate
- Steep learning curve
Choose Conductor OSS if…
- Battle-tested at scale
- Language-agnostic workers
Watch out for
- Java stack is resource heavy
Frequently asked questions
Is Apache Airflow or Conductor OSS better?
Neither is universally better. Apache Airflow has the larger community; both share a hard setup difficulty, so the decision comes down to features and licensing.
Are Apache Airflow and Conductor OSS free and open-source?
Yes. Apache Airflow is licensed under Apache-2.0 and Conductor OSS under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Apache Airflow and Conductor OSS with Docker?
Apache Airflow: yes. Conductor OSS: yes.
Which is lighter on resources, Apache Airflow or Conductor OSS?
Conductor OSS has the smaller minimum footprint at 2,048 MB of RAM, compared to about 4,096 MB for Apache Airflow. Real-world usage depends on library size, user count, and enabled features.
Related comparisons
- Apache Airflow vs Apache DolphinScheduler
- Conductor OSS vs Apache DolphinScheduler
- Apache Airflow vs Apache NiFi
- Apache Airflow vs Camunda Platform 7
- Conductor OSS vs Camunda Platform 7
- Apache Airflow vs Dagster
- Conductor OSS vs Dagster
- Apache Airflow vs Inngest
- Conductor OSS vs Inngest
- Apache Airflow vs Luigi
- Conductor OSS vs Luigi