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A plugin is an easy to install extension that adds extra functionality to CMSimple_XH.
Plugins are the means with which you can greatly enlarge the functionality of your CMSimple_XH website. Even some parts of the standard CMSimple_XH are programmed as plugins, meaning, they can easily be replaced by different plugins. These are the pagemanager, the filemanager and the editor.
Popular plugins provide picture galleries, guest books, blogs, comment possibilities, integration of video, calendars, etc., see the list of plugins.