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.
fbreportz is a utility which accesses a FogBugz server via it's XML API in order to produce plots of various project metrics (FogBugz is a bug tracking product from Fog Creek software).