Extend Your Knowledge Base with Add-ons Built specifically for KB to customize the functionality of your online business. Elegant Layouts Elegant Layouts extension adds Sidebar Layout and Grid Layout templates to the core Knowledge Base plugin with a total of six layouts. Multiple Knowledge Bases Create two or more Knowledge Bases, one for each of your topics, products, services and teams. Each Knowledge Base has separate Main Page, articles, URLs, and admin screens. Widgets Add KB Search, Most Recent Articles and other widgets and shortcodes to your articles, sidebars and pages.