Markdeep[0] from Casual Effects has a way of drawing diagrams using extended markdown. I used it to write this document with two diagrams: https://loan-free-ed

Markdeep[0] from Casual Effects has a way of drawing diagrams using extended markdown. I used it to write this document with two diagrams: https://loan-free-ed.neocities.org https://loan-free-ed.neocities.org Other tool I like are PlanetUML[1], BoUML[2] and Modellio[3](it is very heavy though on system resources!) [0] https://casual-effects.com/markdeep https://casual-effects.com/markdeep [1] https://plantuml.com https://plantuml.com [2] https://bouml.fr https://bouml.fr [3] https://www.modelio.org https://www.modelio.org