Visualize network (graph) using "line" layout I want to visualise a network in a way that the nodes are along a line (and the edges are not on that line).
I have included a simple example below.



Which network visualisation programs (Cytoscape, Gephi, R igraph etc) do have this layout option?
That plot is called an Arc diagram
you can google that and use the package or program that best suits you.

Here are 2 examples of the use of Arc diagrams in R:
Example 1: 

Example 2: