PHP Tickets is a ticket system coded in PHP with a MySQL backend. It features a powerful admin section and is fully templated. It also has a style manager for changing colors, fonts, etc.
PHP Ticket is an advanced ticketing system, written in PHP with a MySQL backend, includes user management through sessions, a search function and several other functions to simply ticket management. It can be hosted on any platform running PHP and MySQL.
IRM is a Web-based asset and problem tracking system built for IT departments and helpdesks. It keeps detailed information, both hardware and software, about each computer, as well as a complete history of all work requests ever placed.
Double Choco Latte is a GNU Enterprise package that provides basic project management capabilities, time tracking on tasks, call tracking, email notifications, online documents, statistical reports, a report engine, and more features are either working or being developed/planned. It can be displayed inside of a phpGroupWare installation or be used stand-alone.