I need to draw some flow networks like the following:
Does anyone know a program that can do that?
I need to draw some flow networks like the following:
Does anyone know a program that can do that?
GraphViz is the tool you need.
This in the gallery looks close to what you want: http://www.graphviz.org/content/fsm
It turns out you can create graphs like the following with LibreOffice Draw in Ubuntu.