I myself use komplete you can find free open source or GPL content management scripts all over the place. And a few very good priced ones which will meet your needs. Below are a few links. Hope this is what you met by "content management scripts" lol
http://www.interakt.ro/products/KompleteLite/
http://dir.nodeworks.com/Computers/P...nt_Management/
http://www.hotscripts.com/PHP/Script...ent/index.html