plantuml

PlantUML is a program allowing to draw UML diagrams, using a simple
and human readable text description. It is extremely useful for code
documenting, sketching project architecture during team conversations
and so on.
PlantUML supports the following diagram types

sequence diagram
use case diagram
class diagram
activity diagram
component diagram
state diagram


          

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License: GPL-3.0-or-later
URL: https://plantuml.com/