MGB is a free OpenSource Guestbook completely written in PHP, using JavaScript and a MySQL Database. Easy to use, flexible and customizable with templates to make it fit 100% to your homepage.
Rilke CMS is a PHP/MySQL based content management system. It can be used to publish a variety of websites and/or weblogs. It was designed with simplicity in mind - so that anyone who has used a wordprocessor can use it to update a website.