21 May 2013
A Flexible Help Desk and IT-Service Management Software: OTRS
Customer Support With A Free Help Desk Software: Trellis Desk
Open Source Customer Support Ticket System: osTicket
Open Source Live Support: Open Web Messenger
Open Source Customer Service and Billing Software: CitrusDB
Battle Tested Issue Tracking System: Request Tracker
Web-based Help Desk Application Written In Java: Triage
Free Live Chat And Support Ticketing: Help Center Live
Help Desk or Service Desk For Your IT Teams: PHP Help Desk
