Here is a list of all modules:

Argument Parsing Routines and Utilities
Array Insertion Operators
Array Relational Operators
Association Operators and Utility Functions
Astrometry Support Classes
Bitmap Affine Transformations
Bitmap Bitwise Logical Operations
Bitmap Color Replacement Functions
Bitmap File I/O Routines
Bitmap Pixel Access Functions
Bitmap Specular Transformations
Button Event Handlers
Byte Array Classes
Character Traits Classes
Chebyshev Fit Types
Checksum Calculation Functions
CodeEditor Event Handlers
Color Filter Array (CFA) Descriptive Classes
Color Management Classes
ColorComboBox Event Handlers
ComboBox Event Handlers
Complex Arithmetic Operators
Complex Basic Functions
Complex Number Types
Complex Relational Operators
Complex Rounding Functions
Complex Transcendental Functions
Console Insertion and Extraction Operators
Construction and Destruction of Objects with Explicit Allocation
Control Event Handlers
Control Helper Functions and Classes
Cryptographic Hashing and Encryption Classes
Data Compression Classes
Dialog Event Handlers
Dynamic Arrays
Endianness Conversion and Detection Functions
Error Handling Macros
ExternalProcess Event Handlers
FFT-Based Registration Operators
FITS Keyword Comparison Functions
Fast Fourier Transform Direction Specifiers
Fast Fourier Transforms
File Size and Position Types
File Support Classes and Functions
Floating Point Number Classification
FontComboBox Event Handlers
Generic Relational Operators
GenericString Relational Operators
Global Notification Functions
Hardware Identification Routines
Helper Functions for Selection of
Helper Macros for Synchronized Status Monitoring of Image Processing Threads
Image Iterator Classes
Image Notification Functions
Image Operators
Image Scalar Operators
Image Transparency Notification Functions
Image Types
ImageView Event Handlers
In-Place Gauss-Jordan Solvers
Integer Conversion Factors
Integer Limits
IsoString Concatenation Operators
Iterator Classification
Key-Value String List Classes
Keyboard Utilities
Mask Notification Functions
Mathematical Functions
Matrix Operators
Matrix Types
MetaModule Utility Macros
Module Entry Point Functions
Module-Defined View Properties
Multiscale Transforms
Multivector Types
NetworkTransfer Event Handlers
Non-Cryptographic Hash Functions
Non-interpolating Rotations and Specular Transformations.
Phase Matrices Computation Algorithms
Point Operators and Functions
Point Types
Portable Integer Types
Process Instance Notification Functions
Process Parameter Classification
RGBA Color Utility Functions
Random Number Generation
Readout Notification Functions
Real Time Preview Notification Functions
Rectangle Classification Functions
Rectangle Operators and Functions
Rectangle Types
Safe Process Parameter Types
ScrollBox Event Handlers
Search Algorithms
SectionBar Event Handlers
Selection Algorithms
Sexagesimal String Representation and Parsing
Size and Distance Types
Slider Event Handlers
Solar System Ephemerides
Sorting Algorithms
Special Functions
SpinBox Event Handlers
Standard Exception Classes
Star Catalogs and Point Source Databases
Statistical Functions
String Concatenation Operators
String Key-Value Associations
String List Classes
String Relational Operators
TabBox Event Handlers
Thread Support Classes and Functions
Thread-Safe Protection of Non-Reentrant Code
Time Representation and Utilities
Timer Event Handlers
TreeBox Event Handlers
Two-Dimensional Fast Fourier Transforms
Unicode Character Types
User Interface Scaling Functions
Utility Algorithms
Vector Operators
Vector Types
View Property Notification Functions
ViewList Event Handlers
WebView Event Handlers
Word Array Classes
XISF Support Classes
XML Document Parsing and Generation