Guest Book is a guest book that offers the following futures:

Flexible multi-file XML based data and setup storage
Separation of business logic and presentation allows for quick visual customization by people that are not ColdFusion savvy
Secure administrative area that offers setup for the following futures:
Maximum end-user message-mail, web site, name length
Maximum number of guest book shown per page
List of banned words and banned IP addresses
Two message sorting options
Administrators have the ability to edit and delete guest book entries
Sucurity images (20 different images) that prevent automated insertion of data.
Comprehensive documentation and companion web site