GOATS - Application to handle GLPI tickets
B1ST PHP Ticket System comes with reach features
Video live support solution for unlimited departments and moderators.
Motivating the kids to do their chores
Web Application used to manage clients, create invoices, timesheets
Ticket System .NET Open Source (ITS, Issue tracking system)
Simplest wiki+tracker system
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
Cross platform JIRA thick client.