Ionize is probably the easiest to use Content Management System.
Ionize makes the management of your website more than easy, by focusing on an ergonomic aproach.
It provides to web developers a easy to run and to customize solution.
Ionize is mainly developed by the web agency like Partikule, which use it for their clients.
This documentation is about content edition.
For technical documentation, have a look et : http://doc.ionizecms.com