swiftplantuml ☆

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Description:
Generate UML class diagrams from Swift sources

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | @marcoeidinger | formulae.brew.sh

Category: Developer tools

Tags: swift uml diagrams visualization documentation developer-tools

Install: brew install swiftplantuml

About:
SwiftPlantUML is a command-line tool and Swift library that parses Swift source code to automatically generate PlantUML scripts for class diagrams. It enables developers to visualize code architecture and relationships without manual diagramming. The tool integrates seamlessly into development workflows to maintain up-to-date documentation.

Key Features:

Automatic diagram generation from Swift source files
Support for custom styling and configuration via .swiftplantuml config file
Integration with Xcode via custom commands
Exclusion of private members and specific access levels

Use Cases:

Visualizing legacy codebases to understand architecture
Generating documentation for complex class hierarchies
Code review sessions to illustrate proposed changes
Onboarding new team members to the codebase

Alternatives:

SwiftDoc – Generates HTML documentation rather than visual diagrams
Graphviz – Generic graph visualization requiring manual dot file creation

Version History

Detected	Version	Rev	Change	Commit