Are you looking for a "Content Management Systems" ... you might want to looking to "wiki" if that's the case, they're very simple to use, you can set it up so that only users with the right password and add/delete stuff from the page. Linking information is also quick.
I am looking for a script that will allow my clients to login to their website and post and change things on the site that i allow them to. Like a client web administration. I have look for hours and can not find one. But then again may i am looking for the wrong thing. If anyone know of anything please help
Thanks in advance,