Online Guestbook Pro is a Scripts software developed by esoftpro.com. After our trial and test, the software is proved to be official, secure and free. Here is the official description for Online Guestbook Pro:

Online Guestbook Pro (formerly known as EGuest PRO) is an award-winning comprehensive guestbook system based on the popular guestbook system EGuest. New features including Image Verification Code, Admin Interfaces, Theme Support, Advanced Search with Highlight, Auto Web/Email Links, IP/Word Banning, Blank Line Protection, 250+ Smiley and much more. It excels any other guestbook scripts, allowing you to have a truly professional guestbook on your website.

With Online Guestbook Pro :-
You will never need to worry about someone messes your website. Comprehensive protections including: Image Verification Code, HTML Filter, IP Ban, Bad Word Filter, Blank Line Protection, Valid Email Check, Long String Conversion, Characters Limit, IP Log etc.
You will be able to have full control over your guestbook. You can Search, Sort, Reply, Modify and Remove any entry right in the main interface.
You will be able to custom Online Guestbook Pro easily by applying different Themes, Language Packs, Header and Footer.
You will be able to interact with and entertain your visitors. Online Guestbook Pro supports 250+ Emoticons and Auto Hyperlinks.
You will be notified right after a new entry is submitted.
Main Features:
Session-driven Image Verification Code
Page Spanning
Matched Entry Count
Total Entry Count
Entry per Page Menu
Current Display Index
Email Notification (Enable/Disable)
Webmaster Reply (Enable/Disable)
Advanced Sorting (FIFO/Filo/Alphabetical)
Advanced Search (All data)
Search Result Highlight
Dynamic Character Count (Submission Form)
Theme Support
CSS Support
Support More than 250 Smiley
HTML Filter (Enable/Disable)
Advanced HTML Filter
Auto Web Link
Auto Email Link
Ban IP List
Ban Word List
Blank Line Protection
Handle All characters in ANY Combination
IP Logging
Long Word Filter
Custom Character Limit
Multiple Language (Separate Language File)
Custom Header/Footer
Custom Time/Date Format