====== UML ======

  * https://www.visual-paradigm.com/
  * https://www.softwareideas.net/
  * Papyrus
  * PlantUML
  * DrawIO
  * [[https://www.umlet.com/|UMLet]]
  * [[https://www.umletino.com/|UMLetino]]

===== 参考  =====

  * https://notepm.jp/blog/21305