https://flowchart.fun/ https://flowchart.fun/ recently helped me very quickly draw flow charts to understand process of a system. Best thing was how intuitive a

https://flowchart.fun/ https://flowchart.fun/ recently helped me very quickly draw flow charts to understand process of a system. Best thing was how intuitive and fast I could iterate over. And it allows custom css for styling which helped a lot. IMO for flow charts, this is so far the easiest / quickest text based diagram tool.