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Open-Source tool in Java to draw UML Diagrams

PlantUML is a Java component that allows to quickly generate

  • Sequence diagrams
  • Use case diagrams
  • Class diagrams
  • Activity diagrams
  • Component diagrams
  • State diagrams
  • Object diagrams

using a simple and intuitive language.

They can be generated in PNG or SVG format.
It is also possible to generate ASCII art diagrams (only for sequence diagrams).