Login to WebSynergy as Admin user.
Click 'Add Applications' from the welcome menu.
Click 'Add' against the 'Enterprise Admin' portlet.
Expand the Enterprise Admin portlet to view all the tabs associated with the portlet.
Choose the 'Plugins' tab.
You can see four tabs listing portlets of four different categories namely; Portlet Plugins, Theme Plugins, Layout Template Plugins, Web Plugins.