Does anybody out there have any idea what stackoverflow may use for their chat services? Want to add a chat tab to my site navi and display a whole-page chat interface.
closed as off topic by Eight Days of Malaise, phwd♦ Nov 23 '11 at 17:16
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The software used for Stack Exchange chat is developed by the team themselves. I'm not 100% sure what technologies it uses, but given that the rest of the network is written in ASP.NET MVC it will be .NET based but there will be a lot of AJAX going on as well.
So there are two things that need to be in place for you to be able to use it:
I suspect that (at the moment) they won't be willing to sell so even if your site was compatible you wouldn't be able to use it.