Skull-Splitter Guestbook  

With this guestbook script your visitors have the possibility to drop you a comment on your website, greet you, say hi or whatever simply by filling out a short form. All the guestbook entries will be displayed on the guestbook-page. You can specify how many entries you want to be displayed per page. If you have more entries than that number, the oldest guestbook entries get moved to the next page. You can manage your news post using the comfortable admin area. In the admin area you can easily comment on, edit and delete guestbook entries.

Hosting Requirements: *nix, Windows; PHP
Database: MySQL
Price: Free (GPL)

   Netdisortion Guestbook Script  

Netdistortion's Guestbook script is a very simple guestbook script without a lot of coding clutter. The forms and tables coded are free from styling so the whole system can be integrated into your site EASILY. It will take you less than 5 minutes to get it up and running. Currently it can list guestbook entries, submit entries, and report inappropriate entries. You can also sort the entries by date (ascending or descending). Emails entered are also verified. The user can also select not to have their e-mail address displayed for SPAM prevention.

Hosting Requirements: Linux; APache; PHP
Database: MySQL
Price: Free

   net-track PHP Guestbook  

This PHP script provides you with a guest book you can freely use on your web site. Contrary to most other guestbook scripts, it does not require an SQL database to be set up. The guestbook data is entirely stored in files. Installation is therefore much faster and easier.

Price: Free (GPL)

   Ardguest  

Ardguest is a simple guestbook script that uses a flatfile to store messages, so you don't need any database like MySQL or PostgreSQL. It's suitable for anyone who need a guestbook that can be setup quickly. Features : multi-pages display, ability to delete unwanted entries, checking for required field warning messages for missing fields, mail notification when someone signed the guest book, multiple line in comment support, and more.

Hosting Requirements: Unix/Linux; Windows; PHP 4+
Price: Free (GPL)

   Markit's Guestbook  

This guestbook is simple yet powerful and enables you to use a stylesheet to customise its looks quickly to make it match your site.

Database: MySQL
Price: Free

   VGuestBuk  

VGuestBuk is a guestbook written in PHP that uses MySQL to store data. It has a nice interface and is easy to customize by editting templates (without touching any sourcecode). It includes some special and very unique features. VGuestBuk also has a Control Panel to manage your entries and change your guestbook's settings (use avatar, rate, smilies,...) & Flood Protection. VGuestBuk is very easy to install and configure but still very secure.

Database: MySQL
Price: Free

   MySGb  

MySGb is a Simple GuestBook using PHP/MySQL. It includes many useful features such as preview, e-mail notification, page spanning , ip logging.

Hosting Requirements: *nix, Windows; PHP 4
Database: MySQL
Price: Free (GPL)

   SXD Guestbook  

SXD Guestbook is a guestbook system with an admin interface with many options. IP banning, Number of posts per page, mail admin on each new post, require admin approval before posting, word filter, smililies conversion, required feilds can be set through the admin panel plus many other options. Before installing this script, you need to have Kazam Admin Centre v3 installed on the same database as Kazam Guestbook will be installed on.

Hosting Requirements: Unix/Linux, Windows; PHP
Database: MySQL
Price: Free

   Ridwank Guestbook  

This PHP guestbook uses only one file that includes both signing and viewing guestbook in one single page. Feature: Checking for an empty post, Checking for duplicates, Striping HTML Tags, Javascript Scrolling UP, DOWN & PAGING on viewing guestbook, Admin database, and more.

Hosting Requirements: Apache/IIS; PHP
Database: MySQL
Price: Free (GPL)

   SZGuestbook  

SZGuestbook is a template driven Guestbook Class with a complete administration interface. The visitors has the ability to rate the site as they post comments and the administrator may remove improper comments or edit them.

Price: Free