how GLPI compares to the average help desk software:

http://help-desk.softwareinsider.com/compare/4-13/GLPI-vs-OTRS-Help-Desk

• Asset Management
• Automated Password Reset
• Billing and Invoicing
• Change Management
• Contract Management
• Customer Survey
• Incident, Problem, or Request Management
• ITIL Compliant
• Knowledge Base/FAQ
• LDAP/Active Directory Sync
• Multi-Site Support