Ajax im is a browser-based instant messaging client that you can use it freely on your website projects or web applications. It uses the XMLHTTPRequest object in JavaScript to send and receive commands to and from the server. No refreshing of the page is ever needed for this “web application” to work, as everything is updated in real-time via JavaScript. It is very easy to install and the user interface is so elegant.

Requirements: Internet Explorer 6+, Firefox 1.5+, Opera 9+, Safari
Demo: http://www.ajaxim.com ( Username: test Passowrd: test )
License: BSD License