Try https://flowchart.fun https://flowchart.fun I had very productive time with it on a project where I needed to understand the flow of a complex process. It t

Try https://flowchart.fun https://flowchart.fun I had very productive time with it on a project where I needed to understand the flow of a complex process. It takes tab delimited list as input. It's super fast/easy to make flow charts using this (upto a point of course)