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What is PlantUML?

PlantUML is a pseudo-code way of generating diagrams quickly without worrying about pixel-positioning that traditional drag and drop diagram creation requires. It lets you take pseudo code like this:

Terry -> Jody : Hello()
Terry <-- Jody : returns "hello yourself"

And auto-generate a diagram like this:

PlantUML handles a huge number of diagram types:

  • Sequence Diagrams
  • Usecase Diagrams
  • Class Diagrams
  • Activity Diagrams
  • … and so much more – check out the PlantUML site for more details.