StackExchange/campfire like chat app or server [closed]
Solution 1:
You may find that Campfire (campfirenow.com) is pretty solid. It has been recommended to me by colleagues, though I haven't used it myself yet. Its biggest draw-back is that it isn't free. Far from it.
In fact, StackOverflow Internet Services (your humble hosts) even used it internally before building their own:
http://blog.stackoverflow.com/2010/04/do-trilogy-sites-need-a-third-place/
(search for 'campfire')