YARI is a comprehensive tool suite to debug (layouts), spy, spider, inspect and navigate SWT and Eclipse based application GUIs (Workbench or RCP) at runtime.
Extended S-Leak: search now for equal ressources
SWTInspector: show details of the selected widget
UiInjector: simplifies layout debugging and data injection
EclipseInspector: provide information of the workbench
SWTHyperGraph: tree overview of the widget hierarchy
BundleInspector: graphical overview of all osgi-bundles