Free self-hosted help desk & shared mailbox
Simple-to-use/-install issue-tracking system: web, REST, email, CLI
Best open source helpdesk & shared mailbox
Environment for configuring customized applications Asset Management
Using an Android device as a desktop clock
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.
Car Sales Management System, Vehicle Sales Management in Codeigniter
Jnestor is another majordomo in java
Business webmail modular application with mobile client
GOATS - Application to handle GLPI tickets
B1ST PHP Ticket System comes with reach features
A simple contact script including a contact form and online viewer
Keep track of all your job costs, make sure you don't lose money