
Hamilton
Claim this toolA general-purpose framework to write dataflows using regular Python functions.
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- Price
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Key facts
- Builds dataflows from regular Python functions into a Directed Acyclic Graph (DAG).
- Offers a UI for visualizing, cataloging, and monitoring dataflows and lineage.
- Designed for reusability, scalability, and integration with existing data stacks.
Pros
- Facilitates collaboration with flat dataflows and clear dependencies
- Reduces development time through reusability of dataflows
- Prevents vendor lock-in with flexible integration options
- Scales dataflows seamlessly via remote execution and specialized engines
- Provides clear visualization and documentation directly from code
Cons
- Requires type-annotated Python functions
- Currently in incubation phase (Apache Incubating)
What is Hamilton?
Available on: Web
Ratings Across the Web
Hamilton holds an aggregate rating of 4.5 out of 5 from 1 reviews across G2, last checked September 10, 2026.
Ratings aggregated from independent review platforms. Learn more
Key Features
- Automatic DAG construction from Python functions
- Visualization of data lineage and dataflows
- UI for cataloging code and artifacts
- Monitoring of dataflows
- Separation of transformation logic from execution
- Support for remote execution (AWS, Modal)
- Integration with specialized computation engines (Spark, Ray, duckdb)
- Ability to model Generative AI/LLM based workflows
Pricing
Hamilton is completely free to use with no hidden costs.
Hamilton by the numbers
| Metric | Hamilton | Peer median | Position (1 is best) |
|---|---|---|---|
| Free plan | Yes | 60% have one | n/a |
| Integrations listed | 1 | 2 | #17 of 23 (joint) tools with at least one integration recorded |
Each position is counted among the tools that have data for that row, as noted under it. All ETL & Data Pipelines data · How we compute this. Advertising and placement fees are not inputs to any position.
Cite this: Toolradar, “Hamilton by the numbers”, Nov 2026.
Reviews

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Source: hamilton.dagworks.io