ActiveHelper LiveHelp Live Chat System is perfect for small and medium WordPress sites. Answer Live chats from any location, Desktop and mobile are included, Windows and Mac, IOS and Android too.
Monitor in real time your website visitors. Know how many visitors are in the website, who referred, where are from, what keywords we reused to find the website and the visitors navigation history. Know decisive information of your website visitors patterns, conversations and agents service.
Plugin Page : http://wordpress.org/plugins/activehelper-livehelp/