List of free web embedded chat window services

Now, with the decrease in price for virtual host leasing, more and more friends have their own sites, blogs, and personal spaces. Interaction with visitors on a blog is a very important aspect, so we need a good chat program embedded within the site to allow webmasters to communicate more effectively and conveniently with visiting friends. It also allows online visitors to interact with each other, maximizing the time visitors spend on your site or even encouraging them to register as members of your blog.

TOP5: The five best free web-embedded chat windows: http://topdig.net/archives/182

If you discover any other good chat services, please help add them to the list, so we can improve it together!