Main features: - Free and completely open source code written in PHP - WYSIWYG tools for arranging page layouts and editing content - Version-controlled content, allowing pages to be previewed and a history to be stored - Intuitive tools for managing site navigation - Support for blogs, news items, events, and other content types (developers can create their own content types) - Ability to create micro-sites - Extranet user and contact management; full set of user-side extranet features (login, register etc.) - Powerful Forms feature, with which data can be captured and then emailed or merged with a user's data - Document management through a familiar folder-like hierarchy, powerful tagging features - Datasets, with which you can easily add fields to many types of data (Users/contacts, Documents, Countries etc.) - Gridmaker tool for creating responsive or fixed-width designs using a grid-based design