This plugin allows you to have more then admin , and restrict other admins from accessing the backend(/admin) page.

also few objects like blog files , can be disallowed from being created.

All access of site except admin access. With this plugin admin can provide power or access of different kind of function and access of pages to other admin or sub-admin or something like that. Admin only can add or delete sub-admin and provide accessible pages,menu options and other actions to sub-admin. And plugin Enable/Disable and priority is only admin can do that.