Free self-hosted help desk & shared mailbox
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.
Cory Support is a PHP application submit support tickets and staff
COSST is a completely free open source support ticketing system.
Video live support solution for unlimited departments and moderators.