Nerdproject has flash based client and a java server which runs on both windows and linux operation systems. It supports for unlimited clients and helpers. Helpers can use a special application to connect the server and it has some features like auto greetings, quick messages, tracking waiting clients etc. Admins can personelize their messages easly. Live support system can be embeded to your website by just a few codes. It is easy to use for both clients and admins. Check out our demo website and ask your questions if you have any...