For organizations spanning all industries and sizes from SMBs to Fortune 500 corporations
SysAid is an ITSM, Service Desk and Help Desk software solution that integrates all of the essential IT tools into one product. Its rich set of features include a powerful Help Desk, IT Asset Management, and other easy-to-use tools for analyzing and optimizing IT performance.
OTRS Bridge is an open-source PHP script that allows you to take agent emails from 3rd party ticketing solutions and integrate them better with OTRS transparently. Currently best suited to operation with RT (Request Tracker).