The ui.tools vocabulary hierarchy implements a collection of simple developer tools.
Starting the UI tools

To take full advantage of the UI tools, you should be using a supported text editor. See Editor integration.

Common functionality:
UI tool keyboard shortcuts
Presentations in the UI
Definition icons

Tools:
UI listener
UI browser
UI inspector
UI error list tool
UI profiler tool
UI walker
Application deployment UI tool

Platform-specific features:
Functionality specific to Mac OS X