SightMax 

SightMax is a live chat software program providing live website monitoring, live help and live support to visitors for sales and customer service. Written in .NET and using the latest Microsoft Technology, SightMax is cost effective and easy to use.
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AliveChat 

AliveChat allows you to connect with and track your web site visitors in real-time via a browser based live chat interface. Your company can now offer live support software to customers while increasing sales with Proactive chat.
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