[throw345hn]

Thanks for that, will try out graphviz. I was doing some custom implementation for minimizing edge crossings and it seems to work fine for me but thats mostly for 2-layered graphs. If I am to expand to multi-layer graphs, its going to be fairly more complicated to figure out how to do that and I dont know if it will work well.

Graphviz seems to be great for getting you a mostly-useful auto layout majority of the time.

I have a requirement to be able to mix fixed-positioned nodes along with dynamically changing nodes, I havent used graphviz to know if it could do that. A library like cytoscape works ok or maybe d3 (I am still evaluating these)

Honestly coming into this, I thought graph drawing would be fairly easy and I could look up online for examples - but it seems to be quite opposite, its really complicated to get graphs that are both dynamically generated with the nodes positioned at the same place in case there are similar nodes