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

[detail level 123]

▶NCutelyst	The Cutelyst namespace holds all public Cutelyst API
▶NSql
CTransaction	This is a helper class to create scoped transactions
CAction	This class represents a Cutelyst Action
CActionChain	Holds a chain of Cutelyst Actions
CActionREST	Automated REST Method Dispatching
CActionRESTFactory
CApplication	The Cutelyst Application
CASync
CASyncPrivate
CAuthentication
CAuthenticationCredential
CAuthenticationRealm
CAuthenticationStore
CAuthenticationUser
CClearSilver
CComponent	The Cutelyst Component base class
CComponentFactory
CContext	The Cutelyst Context
CController	Cutelyst Controller base class
CCredentialHttp
CCredentialPassword
CCSRFProtection	Protect input forms against Cross Site Request Forgery (CSRF/XSRF) attacks
CCuteleeView
CDispatcher	The Cutelyst Dispatcher
CDispatchType
CDispatchTypeChained
CDispatchTypePath
CEngine	The Cutelyst Engine
CEngineRequest
CGrantleeView
▶CHeaders
CAuthorization
CLangSelect	Language selection plugin
CMemcached	Cutelyst Memcached plugin
CMemcachedSessionStore	Memcached based session store
CMultiPartFormDataParser
CPagination
CPlugin
CRenderView	Sensible default end action
CRenderViewFactory
CRequest
CResponse
CRoleACL	User role-based authorization action class
CRoleACLFactory
CServer
CSession
CSessionStore
CSessionStoreFile
CStaticCompressed	Deliver static files compressed on the fly or precompressed
CStaticSimple
CStats
CStatusMessage
CStatusMessagePrivate
CStoreHtpasswd
CStoreMinimal
CUpload	Cutelyst Upload handles file upload request
CValidator	Validation processor for input data
CValidatorAccepted	Checks if a field is available and has a specific value
CValidatorAfter	Checks if a date, time or datetime is after a comparison value
CValidatorAlpha	Validates an input field for only alphabetic content
CValidatorAlphaDash	Checks a value for only alpha-numeric content and dashes and underscores
CValidatorAlphaNum	Checks a value for only alpha-numeric content
CValidatorBefore	Checks if a date, time or datetime is before a comparison value
CValidatorBetween	Checks if a value or text length is between a minimum and maximum value
CValidatorBoolean	Checks if a value can be casted into a boolean
CValidatorCharNotAllowed	Validates an input field for not allowed characters
CValidatorConfirmed	Checks for a confirmation input field
CValidatorDate	Checks if the input data is a valid date
CValidatorDateTime	Checks if the input data is a valid datetime
CValidatorDifferent	Checks if two values are different
CValidatorDigits	Checks for digits only with optional length check
CValidatorDigitsBetween	Checks for digits only with a length between min and max
CValidatorDomain	Checks if the value of the input field contains FQDN according to RFC 1035
CValidatorEmail	Checks if the value is a valid email address according to specific RFCs
CValidatorFileSize	Checks if the input field contains a valid file size string like 1.5 GB
CValidatorFilled	The field under validation must not be empty when it is present
CValidatorIn	Checks if the field value is one from a list of values
CValidatorInteger	Checks if the value is an integer
CValidatorIp	Checks if the field value is a valid IP address
CValidatorJson	Checks if the inut data is valid JSON
CValidatorMax	Checks if a value is not bigger or longer than a maximum value
CValidatorMessages	Stores custom error messages and the input field label
CValidatorMin	Checks if a value is not smaller or shorter than a maximum value
CValidatorNotIn	Checks if the field value is not one from a list of values
CValidatorNumeric	Checks if the field under validation could be casted into a numeric value
CValidatorPresent	The field under validation must be present in input data but can be empty
CValidatorPwQuality	Validates an input field with libpwquality to check password quality
CValidatorRegularExpression	The field under validation must match the given regular expression
CValidatorRequired	Checks if a field is available and not empty
CValidatorRequiredIf	The field under validation must be present and not empty if the other field is equal to any value in a list
CValidatorRequiredIfStash	The field under validation must be present and not empty if the content of a stash key is equal to one from a list
CValidatorRequiredUnless	The field under validation must be present and not empty unless the other field is equal to any value in the list
CValidatorRequiredUnlessStash	The field under validation must be present and not emptly unless the content of a stash key is equal to a value in a list
CValidatorRequiredWith	The field under validation must be present and not empty only if any of the other specified fields is present
CValidatorRequiredWithAll	The field under validation must be present and not empty only if all of the other specified fields are present
CValidatorRequiredWithout	The field under validation must be present and not empty only when any of the other specified fields are not present
CValidatorRequiredWithoutAll	The field under validation must be present and not empty only when all of the other specified fields are not present
CValidatorResult	Provides information about performed validations
CValidatorReturnType	Contains the result of a single input parameter validation
CValidatorRule	Base class for all validator rules
CValidatorSame	The given field must match the field under validation
CValidatorSize	The field under validation must have a size matching the given value
CValidatorTime	Checks if the input data is a valid time
CValidatorUrl	The field under validation must be a valid URL
CView	Cutelyst View abstract view component
CViewEmail
CViewEmailTemplate
CViewJson	JSON view for your data
CWSGI	Implements a WSGI server