clusterflock – “When people first started going on about Twitter, I thought it was the stupidest thing Iâ€™d ever heard of. And then . . . I joined Facebook and learned just how hot and smokily the stupid could burn.”
Webware has the skinny on two services that will do just that.
"msgr is a web service you can use to create your own instant messenger. Setup a messenger for your group of friends, e-group, orkut community, visitors to your website, or even your intranet!"
I need to look at this more, but I’d love to try it out on a few projects.