ITK  5.1.0
Insight Segmentation and Registration Toolkit
Here is a list of all modules:
[detail level 1234567]
 Data Representation Objects
 Data Access Objects
 Objects Related to Tensor Images
 Data Processing Objects
 System Objects
 Thread Safety
 Support for MultiThreading
 Processing images region by region
 Deprecated classes that are scheduled to be removed from the Toolkit
 Module AnisotropicDiffusionLBR
 Module GenericLabelInterpolator
 Module IOMeshSTL
 Module IOTransformDCMTK
 Group Core
 Group IO
 Group Filtering
 Group Registration
 Group Segmentation
 Group Numerics
 Group Video
 Group ThirdParty
 Group Bridge
 Group Nonunit
 Group Compatibility
 Group Remote
 Module LabelErodeDilate
 Module LesionSizingToolkit
 Module Montage
 Module ParabolicMorphology
 Module RLEImage
 Module SimpleITKFilters
 Module SkullStrip
 Module SmoothingRecursiveYvvGaussianFilter
 Module SplitComponents
 Module Strain
 Module TwoProjectionRegistration
 Module VariationalRegistration