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Diagrams (mingrammer)

Open-source Python library for drawing cloud architecture diagrams as code.

Open sourceDiagramming tools
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About Diagrams (mingrammer)

Diagrams is a popular open-source Python library that lets you describe a cloud system architecture in a few lines of Python and render it as an image with the right provider icons. It ships node sets for AWS, Azure, GCP, Kubernetes, Alibaba Cloud, Oracle Cloud and others, plus on-premises software, SaaS products and programming languages, and uses Graphviz to lay the diagram out. Because the diagram is code, you can keep it in the repository, review changes and regenerate it in CI. It is MIT licensed and free. The library only draws: it does not read your actual cloud accounts, so it documents a design rather than discovering one, and fine-tuning layout means working around Graphviz. You also need Python and Graphviz installed, which makes it a tool for developers rather than for the wider team.

Best for: Developers documenting cloud architecture as code in Python.

Pros and cons

What works

  • Architecture diagrams as reviewable Python code
  • Icons for all major clouds and many tools
  • Free and MIT licensed

Why people leave

  • Needs Python and Graphviz installed
  • Limited control over layout
  • Doesn't discover existing infrastructure

Top Diagrams (mingrammer) alternatives

See all 5
  1. 1D2 logo
    D2

    A dedicated diagram language with nicer layouts and no Python needed.

    66.5
  2. 2Mermaid logo
    Mermaid

    Text diagrams that render directly on GitHub, with architecture diagram support.

    62.6
  3. 3Hava logo
    Hava

    Generates diagrams from your real cloud accounts instead of code.

    59.6
  4. 4Eraser logo
    Eraser

    Hosted diagrams-as-code with cloud icons, AI and a visual editor.

    57.2
  5. 5Structurizr logo
    Structurizr

    Model-based architecture diagrams using the C4 approach.

    55.3

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Diagrams (mingrammer): common questions

Is Diagrams (mingrammer) free?

Yes. Diagrams (mingrammer) is free, open-source software.

Is Diagrams (mingrammer) open source?

Yes. The source code is on GitHub at mingrammer/diagrams.

What platforms does Diagrams (mingrammer) run on?

Diagrams (mingrammer) is available for Windows, macOS and Linux.

What are the best alternatives to Diagrams (mingrammer)?

The highest-ranked Diagrams (mingrammer) alternatives right now are D2, Mermaid and Hava. See the full ranked list for pricing, platforms and verified facts.

See all 5 Diagrams (mingrammer) alternatives