Sequence diagrams, class diagrams, gantt charts and git graphs.

It can help visualize flowcharts, diagrams, ganttcharts and git charts can be scripted in a markdown syntax, with a varitety of different symbols and chart types available. Since the diagram source is text based, it can be part of production scipts.

Automates the diagram generation instead of making it manually.

Node.js is an event-based server-side JavaScript engine.