1)   Guestbook Star 4.43
Guestbook Star sets up your online guestbook. Collect valuable user feedback and opinion. You can reply directly to the visitor or post a reply. Your visitors' opinion might benefit your business. CGI on your server or on WebGenie's.

 2)   Guest book Crawler 1.0
There are millions of guest books at the web! Imagine, that only a little part of them have your link. The software enables you to post to many guest books. You are searching in search engines for guest books and the software is submitting the link.