Gephi is an open source software that is used for network visualization and analysis. Gephi is useful for looking for patterns and trends in a database. It makes use of a 3D rendered engine with which it displays graphics in real time.
Visualizations with Gephi:
The image below shows what can be done with Gephi. View the internal links of a web page by theme and according to its Page Rank. Each color corresponds to a section (blog, dictionary, services …) and the size of the nodes corresponds to the Page Rank.