Have a look at https://craftcms.com https://craftcms.com I have used it a couple of time. What I really like about it is you have complete control of what gets

Have a look at https://craftcms.com https://craftcms.com I have used it a couple of time. What I really like about it is you have complete control of what gets to edit/add. And interface for the client is as simple or complex as needed.