Mermaid Tutorials & Diagram-as-Code Guides

Practical Mermaid syntax tutorials, diagram examples, Markdown workflows, and architecture documentation guides.

Diagram-as-Code

Why Diagram-as-Code is the Future of Software Documentation

Learn how text-based diagrams improve Git review, documentation maintenance, team workflows, and Markdown publishing, with practical migration steps and Mermaid examples.

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Flowchart Tutorial

A 10-Minute Guide to Mermaid Flowcharts

Build Mermaid flowcharts from the first node to a complete API validation workflow, including direction, node shapes, connector labels, subgraphs, and common syntax mistakes.

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Architecture Tools

Top 5 Architecture Diagram Tools for Developers in 2026

A comprehensive review of the best tools for creating software architecture diagrams this year, comparing features, learning curves, and integration capabilities.

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Sequence Diagram

Mastering Mermaid Sequence Diagrams for API Design

Document API login flows, retries, alternatives, activations, participants, and failure cases with copy-pasteable Mermaid sequence diagram examples.

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Comparison

Mermaid.js vs PlantUML: Which is Right for You?

A detailed comparison of the two biggest names in Diagram-as-Code. We break down the differences in syntax, rendering engines, and ecosystem support.

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Markdown

How to Natively Embed Mermaid Diagrams in Markdown

GitHub, GitLab, and Notion now support Mermaid natively. Discover how to write diagram code blocks directly in your README files to keep documentation in sync with your source code.

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Architecture Docs

Best Practices for Agile Architecture Documentation

Heavy, monolithic architecture documents are dead. Learn how agile teams are documenting architectures using the C4 model and dynamic Mermaid diagrams.

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