Content analysis

Gephi is a desktop software to visualize and explore networks. With it, you can find insights and produce pictures which highlight those insights. It is free and runs on Mac, PC and Linux. Download it here. To use Gephi, you need to have a network to visualize. Nocodefunctions.com can help you create these networks.

NodeXL is based on Excel to produce network visualizations. It runs on Windows only. It is very useful to collect data from the web and create networks to be visualized. To use these pro features, a student license at 39$ / year is required. You can download NodeXL here.

and many other tutorials on NodeXL, especially on how to download and analyze Twitter data.

VOSviewer is a free desktop software running on Mac, Windows and Linux. It specializes in visualizing information from scientific publications: word clouds, networks of co-authors, citation networks…​ It includes several functions to download data from the major publishers of scientific information, without coding. Typically, it is very useful to synthetize a literature review in a visual form.

Check also the latest user manual (in pdf) on the same page

NodeXL provides functions to create networks from some social media, and VOSviewer helps you create networks from scientific publications. If you would like to create and explore networks from other sources of data, you can use nocodefunctions.com: a web app with a menu of several functions.

In nocodefunctions.com, several functions are focused on creating networks (no need to know how to code to use them). The network you obtain can then be imported, explored and visualized in Gephi, NodeXl or VOSviewer.

Other famous software for network analysis include Pajek for very large networks, UCINET for statistical analysis on relatively small networks and Cytoscape which tends to be focused on biological networks.