Here are the classes, structs, unions and interfaces with brief descriptions:

[detail level 123]

NCppUtilities	Contains all utilities provides by the c++utilities library
NTraits	Contains traits for conveniently exploiting SFINAE
CAll	Evaluates to Bool<true> if all specified conditions are true; otherwise evaluates to Bool<false>
CAll< Head, Tail... >	Evaluates to Bool<true> if all specified conditions are true; otherwise evaluates to Bool<false>
CAny	Evaluates to Bool<true> if at least one of the specified conditions is true; otherwise evaluates to Bool<false>
CAny< Head, Tail... >	Evaluates to Bool<true> if at least one of the specified conditions is true; otherwise evaluates to Bool<false>
CBool	Wraps a static boolean constant
CIsAnyOf	Evaluates to Bool<true> if the specified type is any of the specified types; otherwise evaluates to Bool<false>
CIsAnyOf< Type, OtherType, RemainingTypes... >	Evaluates to Bool<true> if the specified type is any of the specified types; otherwise evaluates to Bool<false>
CIsComplete	Evaluates to Bool<true> if the specified type is complete; if the type is only forward-declared it evaluates to Bool<false>
CIsComplete< T, decltype(void(sizeof(T)))>	Evaluates to Bool<true> if the specified type is complete; if the type is only forward-declared it evaluates to Bool<false>
CIsCString	Evaluates to Bool<true> if the specified type is a C-string (char * or const char *); otherwise evaluates to Bool<false>
CIsNoneOf	Evaluates to Bool<true> if the specified type is none of the specified types; otherwise evaluates to Bool<false>
CIsNoneOf< Type, OtherType, RemainingTypes... >	Evaluates to Bool<true> if the specified type is none of the specified types; otherwise evaluates to Bool<false>
CIsSpecializationOf	Evaluates to Bool<true> if the specified type is based on the specified template; otherwise evaluates to Bool<false>
CIsSpecializingAnyOf	Evaluates to Bool<true> if the specified type is based on one of the specified templates; otherwise evaluates to Bool<false>
CIsSpecializingAnyOf< Type, TemplateType, RemainingTemplateTypes... >	Evaluates to Bool<true> if the specified type is based on one of the specified templates; otherwise evaluates to Bool<false>
CIsString	Evaluates to Bool<true> if the specified type is a standard string, standard string view or C-string (char * or const char *); otherwise evaluates to Bool<false>
CNone	Evaluates to Bool<true> if none of the specified conditions are true; otherwise evaluates to Bool<false>
CNone< Head, Tail... >	Evaluates to Bool<true> if none of the specified conditions are true; otherwise evaluates to Bool<false>
CAdvancedIniFile	Allows parsing and writing INI files
CField	The AdvancedIniFile::Field class represents a field within an INI file
CSection	The AdvancedIniFile::Section class represents a section within an INI file
CApplicationInfo	Stores information about an application
CArchiveException	Thrown by the various archiving-related functions of this library when a conversion error occurs
CArchiveFile	Holds data about a file within an archive
CArgument	Wrapper for command line argument information
CArgumentCompletionInfo	The ArgumentCompletionInfo struct holds information internally used for shell completion and suggestions
CArgumentOccurrence	The ArgumentOccurrence struct holds argument values for an occurrence of an argument
CArgumentParser	Means for handling command line arguments
CArgumentReader	Internally encapsulates the process of reading command line arguments
CArrayBasedMultiArray	The ArrayBasedMultiArray struct allows using a fixed size array as underlying container for the MultiArray class
CAsHexNumber	The AsHexNumber class allows printing values asserted with cppunit (or similar test framework) using the hex system in the error case
CBinaryReader	Reads primitive data types from a std::istream
CBinaryWriter	Writes primitive data types to a std::ostream
CBitReader	Bitwise reading of buffered data
CBufferSearch	The BufferSearch struct invokes a callback if an initially given search term occurs in consecutively provided buffers
CConfigValueArgument	Argument where setCombinable() is true by default
CConversionException	Thrown by the various conversion functions of this library when a conversion error occurs
CCopyHelper	The CopyHelper class helps to copy bytes from one stream to another
CDateTime	Represents an instant in time, typically expressed as a date and time of day
CDateTimeExpression	The DateTimeExpression struct holds information about a time expression (e.g
CFakeQtConfigArguments	Arguments for the Qt GUI used when the application hasn't been built with Qt GUI support
CHelpArgument	Prints help information for an argument parser when present (–help, -h)
CIndentation	Allows printing indentation conveniently, eg
CIniFile	Allows parsing and writing INI files
CIsFlagEnumClass	The IsFlagEnumClass class is used to decide whether to enable operations for flag enums for
CMultiArray	The MultiArray class provides an N-dimensional array
CNoColorArgument	Allows to specify whether use of escape codes or similar technique to provide formatted output on the terminal should be enabled/disabled
CNoneOwningMultiArray	The NoneOwningMultiArray struct allows using a caller-managed buffer array as underlying container for the MultiArray class
COperationArgument	Argument where denotesOperation() is true by default
COutputCheck	The StandardOutputCheck class asserts whether the (standard) output written in the enclosing code block matches the expected output
CParseError	Thrown by an ArgumentParser when a parsing error occurs
CPeriod	Represents a period of time
CStringDataDeleter	The StringDataDeleter struct deletes the data of a StringData instance
CTerminalSize	The TerminalSize struct describes a terminal size
CTestApplication	Simplifies writing test applications that require opening test files
CTimeSpan	Represents a time interval
CVectorBasedMultiArray	The VectorBasedMultiArray struct allows using an std::vector with custom allocator as underlying container for the MultiArray class
CVectorBasedMultiArray< void >	The VectorBasedMultiArray struct allows using an std::vector as underlying container for the MultiArray class
CWrapper	Internally used print text which might needs to be wrapped preserving the indentation
Nstd	STL namespace
Chash< CppUtilities::DateTime >	Computes the hash for the CppUtilities::DateTime instance
Chash< CppUtilities::TimeSpan >	Computes the hash for the CppUtilities::TimeSpan instance
CArgumentParserTests	Tests the ArgumentParser and Argument classes
CChronoTests	Tests classes and functions provided by the files inside the chrono directory
CConversionTests	Tests classes and functions provided by the files inside the conversion directory
CIoTests	Tests classes and functions provided by the files inside the io directory
CMathTests	Tests functions provided by misc/math.h
CMiscTests	Tests misc functions and classes (mainly of files contained by the misc directory)
CTraitsTest	Tests parts of the Traits namespace which can not be evaluated at compile-time