bcoos is a open source (GPL) Rapid Application Development (RAD) php framework written in PHP5, MySQL and Jquery.
It's modular and each module follows Model View Controller (MVC) paradigm, skinny class controller with actions, fat models and views with pages, blocks and multiples layouts. bcoos has 4 modules, system, users, blog and messages and can be used as Content Management System (CMS)
It comes with user management with groups and you can define which actions of controller can do each group.
It has a WYSIWYG editor, allowing embed video and audio, upload images and highlight code snippets.
HTML looks like HTML and SQL looks like SQL, SQL using prepared statements.
These details are provided for information only. No information here is legal advice and should not be used as such.