Visualyzer is an interactive and intuitive desktop tool for visualizing and analyzing social network data from imported data or from data created in the graphical interface. Visualyzer's features allow you to: create nodes and links on the fly, import and export network data in DL edgelist/edgearray/nodelist, Excel, CSV, DyNetML and GraphML formats, create and reuse informative graphic representation, and customize visual properties such as the color, shape, size, and location of nodes and links.