Quick PHP Chat is an easy-to-use online chat script that lets your website visitors talk together in the chatroom. You can customize your chat window using one of 10 available color schemes to better match your website look.
Quick PHP Chat includes administration functions: kicking and banning particular users. You can send them a message explaining the reason for kick/ban.
Script is very lightweight. All PHP , HTML and CSS files include comments, so you can modify the code to match your needs.
Quick PHP Chat requires PHP 5 with SQLite module enabled. It is turned on by default.