Spiceworks user reviews
Spiceworks in a well-known "on-premise" helpdesk app targeted at "internal" helpdesk departments mostly. The app is ITIL compliant.
Hosted: no
Self-Hosted: yes
Website: http://www.spiceworks.com/
Average rating:
Free. That's about their only advantage. The tool is very basic overall, but does the job on the other hand.