Nucleus plugins allow just about anyone to extend the functionality that Nucleus offers, without having to alter the PHP code itself. Plugins are simple php scripts that must implement certain methods, and can easily be exchanged between Nucleus users. Installing goes as easy as adding the plugin file to the plugin directory and letting Nucleus know it's there.

Some advantages of plugins are listed below:

• Extra functionality can easily be added to the Nucleus framework, without having to know much details about the implementation.
• You can install only the plugins you need, saving on the time needed to generate a page

All plugin files should be placed in the directory that is listed in config.php. Commonly, this will be /your/path/nucleus/plugins/. Plugin files can be recognized by their form: NP_name.php. Some plugins require a subdirectory with the same name to store extra files or their admin area.