An open source issue management & help desk solution
Simple-to-use/-install issue-tracking system: web, REST, email, CLI
The Free & Popular HESK Web Based Software in Complete Virtual Machine
A Platform Agnostic Help Desk Application for customer support teams
Easy to use ticket system for internal workflow
Business Process Digitalization Platform
Easy Help Desk
Cory Support is a PHP application submit support tickets and staff
B1ST PHP Ticket System comes with reach features
Bugzilla extension to offer autocompletion in custom fields