nhelpdesk.com
N Help Desk Software, Free Help Desk SoftwareN Help Desk Software. Free PHP Based Help Desk Software for your Company! N Help Desk Software is a totally free. Trouble ticketing help desk software. What makes NHelpDesk Special is it was designed to be altered by general IT staff with little programming experience. Instead of trying to create the most fancy, full featured help desk we are attempting to create a system that can be altered easily to match your offices priorities. There are many free help desk systems available like Help Desk Reloaded.
http://www.nhelpdesk.com/