PHP Trouble Ticket provides a centralized means of problem reporting and tracking in multi-user environments (medium to large companies, development groups, etc.). It helps direct problem reports to the responsible administrator(s), keeps track of the status of a problem being worked on, and offers an up-to-date list of recent changes applied. It aims to be widely configurable, easy-to-use even for those not technically inclined, and multi-language capable.
Copper is a Web-based project management software tool designed to help creative teams manage clients, projects, tasks, files, budgets, and events. It has an HTML/AJAX front end. It is available with full source for a licence fee or as a SAAS hosted service (compatible with iPhone, but available via PC/Mac/Linux and a Web browser).
Issue-Tracker is a support issue tracking system. The system is written to be user-friendly and is built around a modular API to make it easy to add to if need be. It includes many features that can help customer/technical support organizations resolve issues quickly and easily. These features include things like file uploads, email parsing, unlimited users and groups, email and SMS notifications, group and user reporting, and much more.
HelpmeICT provides support team help desk functions with support for multiple sites, site groups, and role security. It features full issue tracking, cross-server knowledge bases, and management reporting and statistics. The entire system is Web enabled, including management and administration roles. Apart from just ICT, the system can be used for administration and reprographics requests and is being adapted as a pupil behaviour tracker.
Interleave is a Web-enabled business process automation application. It enables you to model your business process like purchasing, project management, and contract management and make it available online. It's meant to replace processes which currently rely on paper, email, or spreadsheets and it has a very good workflow engine. You can create invoices, export to RTF and PDF based on templates, export to MS Excel, interpret incoming email, and publish your data to the Web.