UML은 Class나 구조체등을 구조를 연결하여 Program의 구조를 쉽게 이해하도록 만든 도식도 이며, 이를 다루는 프로그램은 많다.
http://www.nextree.co.kr/p6753/
https://www.uml-diagrams.org/class-diagrams-overview.html
https://www.uml-diagrams.org/sequence-diagrams.html
http://infinitejava.tistory.com/61
Microsoft Office의 Visio Program
Visual Paradigm
https://www.visual-paradigm.com/solution/freeumltool/
UML 추천관련자료
umlet
starUML: 유료
gliffy
PlantUML
http://plantuml.com/eclipse
http://plantuml.com/sitemap
http://www.nextree.co.kr/p6753/
Doxygen
Graphviz
https://graphviz.gitlab.io/about/
https://developers.google.com/chart/image/docs/gallery/graphviz?csw=1
https://developers.google.com/chart/interactive/docs/gallery/histogram
https://developers.google.com/chart/interactive/docs/gallery
CTAGS Website
https://www.gnu.org/software/global/
Javascript UML/Chart
https://gojs.net/latest/samples/flowchart.html