Seditio is a framework, it's a set of PHP files that reads and stores datas in a MySQL database, and sends those datas to clients as HTML pages, through skin files (also called "templates").
The key features are :
* MySQL database driven.
* Skinnable (full control over the layout and the HTML pages).
* Multi-leveled user management.
* Built-in support for world-wide languages.
* Built-in support for plugins and extensions.
* Fast and scalable.