JibberBook is an open source, easy-to-use and free PHP guestbook script built with PHP 5.0 and Ajax. The guestbook aims to create a pleasant user experience while giving you much flexibility.

If you don't like the quick and easy default XML guestbook, you can switch to MySQL guestbook. Users with JavaScript will experience a user-friendly interface enhanced by Mootools.

The guestbook stop spammers in their tracks with extra protection from Akismet, defend against XSS attacks and standards-breaking comment mark-up by using HTML Purifier.

Features of JibberBook Guestbook:
- HTML Filtering
. Defend against XSS attacks and standards-breaking comment mark-up by using HTML Purifier.
. All comments are filtered against a whitelist of elements and attributes that you choose, while any invalid or unclosed tags are automatically corrected.
- Spam Protection
. JibberBook Stops spammers in their tracks with extra protection from Akismet.
. Spend more time doing what you want and less time managing your guestbook without the use of an ugly Captcha box.
. Remember, if you want to use Akismet, you have to register your own API key.
- Storage Options of JibberBook
. If you don't like the quick and easy default XML storage, you can switch to MySQL.
. If those two don't fit the bill, you can roll your own data interface functions by extending the base class.
- Usable Interface
. Users with JavaScript will experience a user-friendly interface enhanced by the light-weight library, Mootools.
. The interface gracefully degrades, and functionality will remain the same for users without JavaScript so you don't miss a comment.
- JibberBook's Administrative Panel
. Manage your comments. Delete spam and reclassify false positives and negatives from within an easy-to-use interface.

Requirements: PHP 5.0 or Higher

Installation:
- Unpack files.
- Open /inc/config.php and on line 33, change 'password' to a password of your choice.
- Upload the files to your web server.
- Make sure your server has permission to write to /data_layer/xml/comments.xml. If you plan on using HTML Purifier, your server MUST have permission to write to /libraries/htmlpurifier/standalone/HTMLPurifier/DefinitionCache/Serializer