The most recently developed tool, breezy (BReakpoint Executive Environment for visualiZation and data displaY) is for breakpoint-based program analysis. In addition to describing the functionality of breezy in detail, we use the discussion below to show how a tool is integrated into the environment and interacts with the other program analysis tools. Breezy incorporates many of the features of the environment and is representative of the level of sophisticated functionality that supports and future tools will provide.