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Structurizr is a collection of open-source and commercial tools for creating software architecture diagrams based on the C4 model (Context, Container, Component, and Code diagrams). Instead of drawing boxes and lines manually, Structurizr allows you to define your architecture as code — enabling maintainable, version-controlled, and consistent diagrams.

Mirror of Apache Struts.

PlantUML is a component that allows you to create various UML diagrams through simple textual descriptions. From sequence diagrams to deployment diagrams and beyond, PlantUML provides an easy way to create visual representations of complex systems.