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Free Dagster alternatives: 4 apps ranked by verified data

Facts checked Nov 8, 2026AppBreakup editorialHow we rank

4 of the 6 Dagster alternatives we track can be used for free (free, open source, or with a free plan). Apache Airflow, Prefect and Flyte rank highest, with facts last verified Nov 8, 2026.

Quick comparison

#AppPricingVerified priceOpen sourcePlatformsVerified factsScore
1Apache Airflow logoApache AirflowOpen source—YesLinux, Self-hosted, Web5 of 568.8
2Prefect logoPrefectOpen source$100/monthYesWeb, Linux, macOS +25 of 564.8
3Flyte logoFlyteOpen source—YesSelf-hosted4 of 459.4
4Argo Workflows logoArgo WorkflowsOpen source—YesSelf-hosted4 of 457.5
  1. Apache Airflow logo

    1. Apache AirflowTop pick

    Best for: Data engineering teams that want a proven, free orchestrator with a huge integration ecosystem

    Open sourceSelf-hostableLinux, Self-hosted, Web

    68.8

    score / 100

    Why switch from Dagster

    The most widely deployed open-source orchestrator, with the largest pool of operators, providers and experienced engineers.

    Pros

    • Free and open source with a very large community
    • Pipelines are plain Python, so they can be generated dynamically
    • Hundreds of ready-made operators for clouds and data tools
    • Managed versions available from several cloud providers

    Cons

    • Running scheduler, workers and metadata database yourself takes real ops effort
    • Local development and testing are clunkier than in newer tools like Prefect or Dagster
    • No official hosted service from the Apache project itself
    Visit Apache Airflow Details and reviews
    How this score is calculated
    Editorial fit ×0.3100
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Apache Airflow a good Dagster alternative?

    Verified facts

    5 of 5 verified
    License
    Apache-2.0
    Checked Nov 1, 2026github.com(opens source in a new tab)
    Pipeline language
    Python
    Checked Nov 8, 2026airflow.apache.org(opens source in a new tab)
    Web UI
    Yes
    Checked Nov 8, 2026airflow.apache.org(opens source in a new tab)
    Cloud integrations
    GCP, AWS, Azure and more
    Checked Nov 8, 2026airflow.apache.org(opens source in a new tab)
    Maintainer
    Apache Software Foundation
    Checked Nov 8, 2026airflow.apache.org(opens source in a new tab)
  2. Prefect logo

    2. Prefect

    Best for: Python teams who want orchestration without rewriting code into a separate DAG framework

    Open sourceSelf-hostableWeb, Linux, macOS, Windows, Self-hosted

    64.8

    score / 100

    Why switch from Dagster

    Plain Python flows without an asset model, lighter to adopt when you just want to schedule and retry scripts.

    Pros

    • Plain Python with a decorator, little new to learn
    • Free hosted Hobby tier and a self-hostable open source server
    • Runs on your own compute, Kubernetes or serverless

    Cons

    • Free cloud tier is limited to 2 users and 5 deployments
    • Smaller integration ecosystem than Airflow
    • Paid plans jump quickly from a flat fee to per-user pricing
    Visit Prefect Details and reviews
    How this score is calculated
    Editorial fit ×0.387
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Prefect a good Dagster alternative?

    Verified facts

    5 of 5 verified
    License
    Apache-2.0
    Checked Nov 2, 2026github.com(opens source in a new tab)
    Free plan
    Hobby, free forever
    Checked Nov 8, 2026prefect.io(opens source in a new tab)
    Free plan limits
    2 users, 5 deployments
    Checked Nov 8, 2026prefect.io(opens source in a new tab)
    Starter plan
    $100/month
    Checked Nov 8, 2026prefect.io(opens source in a new tab)
    Team plan
    $100 per user/month
    Checked Nov 8, 2026prefect.io(opens source in a new tab)
  3. Flyte logo

    3. Flyte

    Best for: ML and data teams on Kubernetes who want typed, reproducible Python pipelines.

    Open sourceSelf-hostableSelf-hosted

    59.4

    score / 100

    Why switch from Dagster

    Kubernetes-native, strongly typed workflows with caching and versioning, popular for ML pipelines at scale.

    Pros

    • Free and Apache 2.0 licensed
    • Typed task inputs and outputs catch errors early
    • Caching and retries resume from the failed step
    • Managed option through Union.ai

    Cons

    • Needs a Kubernetes cluster for production use
    • Flyte 2 changes the SDK, so Flyte 1 code needs migrating
    • Smaller community than Airflow
    Visit Flyte Details and reviews
    How this score is calculated
    Editorial fit ×0.369
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Flyte a good Dagster alternative?

    Verified facts

    4 of 4 verified
    License
    Apache-2.0
    Checked Nov 5, 2026github.com(opens source in a new tab)
    Governance
    Linux Foundation AI & Data
    Checked Nov 8, 2026flyte.org(opens source in a new tab)
    SDK languages
    Python, TypeScript, Rust, Go
    Checked Nov 8, 2026flyte.org(opens source in a new tab)
    Managed version
    Union.ai
    Checked Nov 8, 2026flyte.org(opens source in a new tab)
  4. Argo Workflows logo

    4. Argo Workflows

    Best for: Platform teams already on Kubernetes who want container-native batch and ML pipelines.

    Open sourceSelf-hostableSelf-hosted

    57.5

    score / 100

    Why switch from Dagster

    Container-native workflows defined as Kubernetes resources, a good fit for teams that already run everything on Kubernetes.

    Pros

    • Free, Apache 2.0 licensed CNCF project
    • Any language works, since each step is a container
    • Handles large parallel jobs on Kubernetes
    • Python users can define workflows with Hera

    Cons

    • Requires a Kubernetes cluster
    • YAML definitions get verbose for data engineers used to Python
    • No hosted version from the project itself
    Visit Argo Workflows Details and reviews
    How this score is calculated
    Editorial fit ×0.363
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Argo Workflows a good Dagster alternative?

    Verified facts

    4 of 4 verified
    License
    Apache-2.0
    Checked Nov 3, 2026github.com(opens source in a new tab)
    Runs on
    Kubernetes
    Checked Nov 8, 2026argoproj.github.io(opens source in a new tab)
    Workflow model
    DAG or step-based
    Checked Nov 8, 2026argoproj.github.io(opens source in a new tab)
    Implementation
    Kubernetes CRD
    Checked Nov 8, 2026argoproj.github.io(opens source in a new tab)