3 ms·They look like Visio to me. Would be nice if they were from something else though.by nl 4y agoThey look like Visio to me. Would be nice if they were from something else though.jacknews 4y agoThanks. Can you suggest anything else?nl 4y agohttps://app.diagrams.net/ https://app.diagrams.net/ is pretty okhutzlibu 4y agoIt could have also been done with LibreOffice (draw). But many tools can generate diagramms.