FireHelp is a complete customer support solution, that includes tickets , live chat and knowledgebase. The software is built on the idea of it being very extendable, thus providing you with all tools to help you do so.
Demo http://codecanyon.net/item/firehelp-tickets-live-chat-and-knowledgebase/15956963
Downloadhttps://www.filecad.com/e3mB/FireHelp-v2.0.4---Tickets,-Live-Chat-and-Knowledgebase.rar