No expiration, no ads, just free. The free help desk software edition of Web Help Desk for Mac OS X server installation offers an industry leading web-based help desk software feature set that allows you to track and fulfill all of your technical support trouble tickets and customer service requests with ease, all through an intuitive web-based technician interface, customer support web portal, email-to-ticket conversion, and 2-way email integration. Free Help Desk Software Features: - 100% Web-based Help Desk Software Solution - Customer Service Web Portal - Incident & Problem Management - Email-to-Ticket Conversion - LDAP / Active Directory Synchronization - Knowledge-base Management - Two-Way E-Mail Correspondence - Service Level Agreement (SLA) Alerts - Reporting Included Free Help Desk Software Integration: - LDAP (Lightweight Directory) - Microsoft Active Directory - Email-to-Ticket Conversion - SMTP, IMAP, POP3 The Web Help Desk Software - Free Edition: All of the features, none of the hassles.