org.eclipse.compare.IPropertyChangeNotifier   

    org.eclipse.compare.CompareEditorInput   

        org.eclipse.team.internal.ccvs.ui.CVSCompareEditorInput

        org.eclipse.mylyn.internal.bugzilla.ui.BugzillaCompareInput

        org.eclipse.team.ui.synchronize.SaveableCompareEditorInput   

            org.eclipse.team.internal.ui.mapping.ModelCompareEditorInput

            org.eclipse.team.ui.synchronize.SyncInfoCompareInput

            org.eclipse.team.internal.ui.history.CompareFileRevisionEditorInput

        org.eclipse.rse.files.ui.compare.SystemCompareInput

        org.eclipse.compare.internal.patch.PatchCompareEditorInput

        org.eclipse.compare.internal.ResourceCompareInput

        org.eclipse.team.ui.PageCompareEditorInput   

            org.eclipse.team.ui.synchronize.ParticipantPageCompareEditorInput

            org.eclipse.team.ui.history.HistoryPageCompareEditorInput

    org.eclipse.compare.contentmergeviewer.ContentMergeViewer   

        org.eclipse.compare.internal.ImageMergeViewer

        org.eclipse.compare.contentmergeviewer.TextMergeViewer   

            org.eclipse.jdt.internal.ui.compare.JavaMergeViewer

            org.eclipse.cdt.internal.ui.compare.CMergeViewer

            org.eclipse.pde.internal.ui.compare.XMLContentMergeViewer

            org.eclipse.jdt.internal.ui.compare.PropertiesFileMergeViewer

            org.eclipse.pde.internal.ui.compare.ManifestContentMergeViewer

Projects.
AJDT
BIRT
Buckminster
CDT
DTP
DSDP.DD
DSDP.TM
DLTK
Eclipse Monkey
ECF
Eclipse Platform
EMF
MQ, MT, VF
GEF
GMF
MDT
Model to Text (M2T) - JET
Mylyn
SOA Tools Platform (STP)
TPTP
Web Tools Platform (WTP)