PlantUML

Create diagrams based on text files.

• Wikipedia

• Reference

• Online https://www.plantuml.com/plantuml/uml

• https://real-world-plantuml.com/

Example

• gedit example.plantuml

  @startuml
  Alice->Bob : hello
  note left: this is a first note
  Bob->Alice : ok
  note right: this is another note
  Bob->Bob : I am thinking
  note left
  a note
  can also be defined
  on several lines
  end note
  @enduml

• Create the picture (online)

  $ pantuml example.plantuml

• Picture: