SiteMap is the quickest way to create sitemaps and UI flows. It provides easy editing tools, gorgeous map themes and instant thumbnails to make fantastic sitemap layouts in no time.
SiteMap helps to create and export sitemaps to your Office document without leaving it.
To use this:
Note: A registered MockFlow account is required for using the SiteMap editor. This add-on also provides option for new users to signup for a free account