To get a feel for the available plugins for Gephi, we'll navigate to the marketplace, currently located at https://marketplace.gephi.org/plugins/. Here, you will see a variety of plugins organized by category, looking something like this:
You may have noticed that Gephi does not have hundreds of plugins available through the marketplace, at least at this stage of its development, yet there are a number of options beyond the layout plugins we've already seen. Gephi does in fact have dozens of plugins, but the majority are already available when you perform the base installation.
This would be a good time to click one of the previously mentioned categories to learn more about a few of the plugins. Generally speaking, you will find fairly detailed descriptions for each tool, what it is designed to do, and how to install and configure the plugin. Don't worry too much at this stage about the installation and configuration piece; in my experience, most Gephi plugins have...