ChatPat is a free and easy PHP Chat script for website. It is compatible with any websites and any modern web browsers and at the same time does not load anything than simple HTML.

ChatPat is elegant and powerful PHP/MySQL based tool  allows four different modes; from standard registration, to requiring only username selection or integration with existing membership system like forum, blog, network and more. It works with PHP and MySQL and as long as your server supports this, you can include the chat in any system, even if it is not PHP based.

ChatPat is AJAX based. No blinking HTML, no Flash, no nasty Java. It's plain PHP. No encryption. And it's fairly easy to modify and redesign it. ChatPat  works in iframe so can be integrated in any website, no matter if you use WordPress, Joomla, Drupal, vBulletin or others.

Features of ChatPat:
- Live chat
- work in 4 modes
- embed in any website
- Ajax based
- Easy to cutomize
- Smilies
- small, flexible, fast and easy to install