This inheritance list is sorted roughly, but not completely, alphabetically:

CAnalyzeImport	Supports import of Analyze 7.5 and NIFTI-1 format files
CAutoradCalibration	Tool for calibrating an autorad image
CBrainAtlasNameValidator	Validator for custom brain atlas name prefixes
CBrainAtlasNaming	Central naming rules for brain atlas files
CCheckListTableModel	Object to access the functions of a check list table
CDataManager	Object for managing and querying all image data and meta-information in VivoQuant
CDICOMRelabeler	Dicom relabeler object
CDICOMAnonymizer	Dicom anonymizer allow user to modify dicom header for given dicom tag name please see more detail in DICOMRelabeler
CImageSelectorWidget	This widget is used to select data from the DataManager
CImageTreeModel	The ImageTreeModel object is the Qt model used by the DataManager
CIPACSWebDisk	Access the WebDisk functionallies of an iPACS
CLayerSelectorWidget
CLogging	Class responsible to create the log and handle message format
CMainWin	Object for accessing the UI's main window functions
CMatrixManipulationDialog	Object to interact with Matrix Manipulation Tool when it is active
CMinMaxTool	Object for updating the mix/max values of the image display range
CMIPControl	This class governs the behaviors of the MC dialog (MIP Control) in VivoQuant
CMModeSegmentationDialog	Object to access the MMode Segmentation Dialog
CMultiViewer	Customizable view to allow various layout configurations of the displayed data
CNavigationOperator	Object for navigating the slice view displayed data
CArithmeticOperator	Applies arithmetic operations (scalar, image-to-image, averaging, maximum and weighted averaging) to loaded images while the Arithmetics operator is active
CCroppingOperator	Object for croping the displayed data in the Slice viewports
CDistanceOperator	Object to interact with the Distance/Annotation Operator when it is active
CLayoutOperator	Object to interact with the Layout Operator when it is active
CModelingOperator	Object for the Modeling Operator
CReorientationOperator	Object for reorienting the displayed data in the Slice viewports, including ROIs
CSmoothingOperator	Object for Filtering or Smoothing the displayed data
CSplittingOperator	Object to interact with the Splitting Operator when it is active
CThreeDimROIOperator	Object to interact with the 3D ROI Operator when it is active
CTimeSeriesOperator	Object to interact with the Time Series operator when it is active
CBrainAtlasNaming::Parts	Components extracted from an atlas filename
CPreProcessing	Dialog and controller for configuring and running data pre-processing steps
CQSliceLabel	A QSliceLabel manages the display frames of images slices at each orientation currently displayed by VQ
CRepositoryManager
CROISelectorWidget	This widget is used to select ROI from the ThreeDimROIOperator
CVQ	Main VivoScript object to access other modules and perform generic actions
CScriptMasterResult	Result of a script execution
CSegmentationServiceNMCT	Handles operation of the 3D Brain Atlas Tool
CSliceViewControl	Manipulate and control the display within the slice view
CSliceViewer	Manipulate the display within the slice view
CTileViewer	Manipulate the display within the tile view
CTileViewNavigationOperator	Object for navigating the tile view displayed data
CTileViewTimeSeriesOperator	Object to interact with the Time Series operator on Tile View when it is active
CViewUtil	Helpers for the slice view planes
CVisibilityManager	Manage hiding and disabling of widgets, actions, operators, and views that are in the VivoQuant UI
CVTKCallback	A modification of the VTK callback that more flexibly handles the void* cast
CVTKController	Object for controling the VTK Viewer
CWholeBodyAtlasDialog	Object to access the Multi-Atlas Segmentation Tool (formerly known as Whole Body Atlas) functionalities
CWidgetDumper	Introspects a QWidget tree and dumps named, scriptable widgets for debugging and documentation
CZipArchive	Object to manipulate Zip archive files