Link

PS Guestbook is Guest book you can run from your website
Perl Guestbook - A simple guest book script
Dreamweaver extension to make scripting language (php or others)
Easy-GuestBook is the script you need.
FAC Guestbook is an open source ASP Guestbook Project.
Visitors can leave comments, guestbook owner can edit, remove.
Visitors can leave comments, guestbook owner can edit, remove.
WebGenie's Guestbook Star lets you create a guest-book and its CGI
My Guestbook is an easy-to-use, easy-to-install, fully templatable guestbook
An Open Source guestbook written with PHP and mySQL.
G-Book allows you to install a guestbook on your site.
Alain's Guestbook script allows you to manage multiple users entries
BS Guestbook allows site visitors to add comments for all to see.
MCG Guestbook is a simple yet effective guestbook script.
This is one of the easiest to install and use, php guestbook
myPHPscripts Guestbook is a simple guestbook with customizable colors
ASP Guestbook script is a guestbook
Phoca Guestbook is a Joomla! component