Gephi : This open graph visualisation platform is one of the leading exploration software out in the market and is also the most popular network visualisation package. In this article, we list down top network analysis tools that will help you analyse the relationship between data: Other free tools include Social Networks Visualizer and NodeXL, which are also open source and easy to use. Of all the tools, Gephi, is considered the most recommended tool which can help one visualise over 100,000 nodes easily.

There are numerous open source tools available in the market for network analysis such as NetworkX, iGraph packages in R and Gephi, among others.