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Hamilton

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A general-purpose framework to write dataflows using regular Python functions.

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Reviews onCapterra
8 reviews tracked

The Bottom Line

Entry price

Free, no paid tier

Biggest pro

Facilitates collaboration with flat dataflows and clear dependencies

Biggest con

Requires type-annotated Python functions

TL;DR - Hamilton

  • 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.
Pricing: Free forever
Best for: Individuals & startups
4.6/5 across review platforms

What is Hamilton?

Editorial review
Apache Hamilton (incubating) is a general-purpose framework designed to help users build and manage dataflows using standard Python functions. It automatically constructs a Directed Acyclic Graph (DAG) from these functions, where each function defines a transformation and its parameters indicate dependencies. This allows for the execution, visualization, optimization, and reporting of complex data pipelines. The product is ideal for data scientists, engineers, and developers who need to create robust, reusable, and scalable data processing pipelines. It facilitates collaboration by promoting a flat dataflow structure, making code reviews, debugging, and project hand-offs more efficient. Hamilton also offers a UI for visualizing lineage, cataloging code and artifacts, and monitoring dataflows. It aims to reduce development time through reusability and provides flexibility to integrate with existing frameworks and tools, preventing vendor lock-in. It's battle-tested for intensive enterprise data workloads and supports scaling through remote execution and specialized computation engines. Key benefits include improved code structuring, easy visualization of data lineage, and the ability to model Generative AI/LLM based workflows. It's designed to be a library that runs anywhere Python runs, ensuring code is always unit testable and documentation-friendly.

Available on: Web

Pros & Cons

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)

Ratings Across the Web

4.6(8 reviews)

Ratings aggregated from independent review platforms. Learn more

Key Features

Automatic DAG construction from Python functionsVisualization of data lineage and dataflowsUI for cataloging code and artifactsMonitoring of dataflowsSeparation of transformation logic from executionSupport for remote execution (AWS, Modal)Integration with specialized computation engines (Spark, Ray, duckdb)Ability to model Generative AI/LLM based workflows

Pricing

Free

Hamilton is completely free to use with no hidden costs.

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Reviews

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4.6/5

Across 8 verified user reviews on Capterra

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Hamilton FAQ

How does Hamilton help in building data pipelines?

Hamilton allows users to construct dataflows using regular Python functions, automatically building a Directed Acyclic Graph (DAG) from these functions. This framework facilitates the execution, visualization, optimization, and reporting of complex data pipelines, streamlining the development process.

What kind of user benefits most from Hamilton?

Hamilton is ideal for data scientists, engineers, and developers who need to create robust, reusable, and scalable data processing pipelines. It promotes collaboration through a flat dataflow structure, making code reviews, debugging, and project hand-offs more efficient.

How does Hamilton compare to Prefect?

Hamilton focuses on building dataflows from standard Python functions, automatically constructing a DAG where function parameters define dependencies. While Prefect also orchestrates workflows, Hamilton emphasizes a flat dataflow structure to improve collaboration and reusability, aiming to reduce development time and prevent vendor lock-in.

What are the main limitations of using Hamilton?

A primary limitation of Hamilton is its requirement for type-annotated Python functions to define data transformations and dependencies. Additionally, the project is currently in an incubation phase under Apache.

How is Hamilton priced?

Hamilton is free to use, as it does not require a paid plan. It is designed as a library that runs anywhere Python runs.

Can Hamilton be used for Generative AI workflows?

Yes, Hamilton is designed with the ability to model Generative AI and Large Language Model (LLM) based workflows. It provides the structure and tools necessary to manage the complex data pipelines involved in these applications.

How does Hamilton support scalability for data workloads?

Hamilton supports scaling through remote execution and integration with specialized computation engines. This design makes it battle-tested for intensive enterprise data workloads, ensuring efficient processing of large-scale data.

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