DirectoryPro is a link indexing script written in Perl that can be used to create and manage your own link database on your website quickly and effectively. The current version includes new features like more display options, offers keyword advertising, category advertising etc. Other features include management of categories, site submissions, advertising, trade only option can be used to list sites that returns links to your site, allows webmasters to update the links, family filter for removing adult sites from search results, static HTML category paging and has many more features.