Sethi Family Guestbook is a clean-interfaced guestbook script written in PHP. It features: Page spanning; (Optional) private guestbook comment; User can select the number of entries per page to display, guestbook format (elegant, simple, or standard), and background color; and Uses a text file.
Developer: Ricky J. Sethi Platform: linux, windows, freebsd, osx, sun Date upd:2006-05-08 Hits10201 [Download] [Visit]

As its name suggests, ezBook is really easy to install and use. Compact size, simple interface. For beginners, it can be a good example to learn more on how to use PHP to manipulate a MySQL database.
Developer: thanhhai.com Platform: PHP / MySQL Date upd:2003-09-11 Hits4533 [Download] [Visit]

With this script a website owner can put a guestbook on the website where visitors can sign it and leave greetings. HTML layout and form fields are fully customizable. The script supports flood protection, emoticons and the administrator can edit and delete entries.
Developer: GentleSource Platform: linux, windows, freebsd, sun Date upd:2007-02-04 Hits7056 [Visit]

A Full Page GuestbooK with Editable design,(headers, post templates, etc.), Full control over posts from the password protected admin area, and cool smileys. Posts include(on the index): Name, Email, Url, Message and Time Posts include(on the admin): Name, Message, Time and IP-address Other: Help
Developer: Ragnar T. M. @ Retardus.com Platform: linux, windows, osx Date upd:2006-08-18 Hits1177 [Download] [Visit]

This is a MySQL version of Allwebscripts AWSguest. It uses MySQL to store messages, is easy to install and configure.
Developer: allwebscripts.com Platform: Unix, Win NT Date upd:2001-03-11 Hits4313 [Download] [Visit]