A queries management software.
It was primary designed for an IT team to manage the incidents, but can be used to manage any query, inside or outside an organization.
Can be appropriate for Service Desk management.
The simplest possible tool for managing a Roadmap for Extreme Programming projects. Supports planning, metrics, projections. It is modular, and can be adapted to your implementation of XP - without pulling a bunch of features that just get in your way.