Yerba is built in PHP and MySQL modules that gives plenty of functions to enhance your web content system. Features support to construct forums for displaying comments, news stories, events and mailing contents. Online shopping cart can be included. Themes and image system are in-built and you can edit the presentation with your own style. Online survey is available. Creating user accounts and customizing them are allowed. Links are allowed unlimitedly. Language file suits to access this code in needed language. It is used for news article processing such as add/edit/delete news. Headlines defines the newest news and updates. Modules are reconstructable. Banners and postcards are included.