https://github.com/weidagang/text-diagram
Text Diagram is a web tool for drawing UML sequence diagram in pure text. - weidagang/text-diagram
is agithubtextdiagramweb
https://venngage.com/features/sequence-diagram-maker
Sequence diagrams are indispensable for understanding and optimizing system interactions. Visualize complex event flows and improve project efficiency with...
sequence diagramonlinemakercreatesmart