GD Knowledge Base is a powerful plugin that implements comprehensive knowledge base system that can include products, categories for articles and FAQ. The plugin also includes AJAX powered live search that can search through bbPress powered forums and knowledge base. Plugin works with any theme without any changes, and it is fully responsive with a built-in grid system.
Plugin license also includes bonus license to premium theme (developed for this plugin, called Scientia) and 2 child themes for full and ready to use integration with GD Knowledge Base. One of the child themes is for WordPress default TwentyFifteen theme. And, you can use these child themes as a starting point to make integration with any other theme. Child themes include detailed home pages for the knowledge base.
Plugin also includes 9 widgets and 12 shortcodes and shortcodes fully support use of Shortcake Shortcode UI plugin for visual shortcode editing and preview. Other features include integration with bbPress forums, content protection and privacy, tracking of views and helpfulness ratings, page wizard to create example start page and much more.