Free self-hosted help desk & shared mailbox
An open source issue management & help desk solution
UltraVNC: Remote Access Tools VNC/RFB Remote Desktop Support Software
Simple-to-use/-install issue-tracking system: web, REST, email, CLI
Web Online Registration and Payment System for Events
Open source help desk ticketing system
The Free & Popular HESK Web Based Software in Complete Virtual Machine
HelpDEZk is a powerfull software that manages requests/incidents.
Jnestor is another majordomo in java
Cory Support is a PHP application submit support tickets and staff
COSST is a completely free open source support ticketing system.
GOATS - Application to handle GLPI tickets
Video live support solution for unlimited departments and moderators.
Power Through Unification.
System of registration and processing of requests for IT-service.
Ticket System .NET Open Source (ITS, Issue tracking system)