Gephi

Gephi is an interactive visualization and exploration platform for all kinds of networks and complex systems, dynamic and hierarchical graphs.

Download Gephi from: https://gephi.github.io/

And watch these screencasts to get started:

A step by step guide to removing .txt nodes in Gephi, by Digital and Innovation Management Student Simon Rudnick: Gephi-Tutorial_Removing txt-labels. Applies to graphs made with ANTA.