Knowledge system Multi site system to manage private information by advanced and dynamic roles for categories, individual content and group of contents. Advanced Backend and Frontend System built in:  Ruby on Rails 4 Apache Ruby 2.0 Mysql 5 Passenger  Main functionalities:  Admin contents by roles in categories, post types, posts and sections of posts Users access by Active Directory Dynamic post types Dynamic categories Dynamic menus and customizable Advanced reports/stats and notifications Advanced editor to import excel, word  Draggable plugins Slider plugin Accordeon Plugin Gallery video/photo plugin Layouts plugin Tabs plugin .