Comment Cerberus Helpdesk (Score 1) 80
We use cerberus at work. (University)
http://www.cerberusweb.com/ http://www.cerberusweb.com/free_version.php
RT is nice too if you got peeps that will work with it to make it work for you.
Some people have a great ambition: to build something that will last, at least until they've finished building it.
