iScripts SupportDesk is an open source web based Helpdesk system with integrated knowledge base application. This software can help you manage your sales and customer service queries in an efficient manner. Customer support is key to the success of online businesses. iScripts Support Desk is designed specifically for this reason at an affordable price.
Demo/Info
http://www.iscripts.com/supportdesk/
Download
http://www.mediafire.com/?uigyhvzmgbhbw4o