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

Account
Account_Downloads
Account_Newsletter
Account_Noticelist
Account_Order
Account_Password
Account_Recommlist
Account_User
Account_Wishlist
Actions
actions_article_ajax
actions_groups_ajax
Actions_List
Actions_Main
actions_main_ajax
actions_order_ajax
Admin_Content
Admin_Guestbook
Admin_Links
Admin_News
Admin_Newsletter
Admin_Order
Admin_Payment
Admin_Pricealarm
Admin_Start
Admin_User
Admin_Wrapping
AdminGuestbook_List
Adminguestbook_Main
Adminlinks_List
Adminlinks_Main
ajaxListComponent
aList
ArrayAccess
Article
article_accessories_ajax
Article_Attribute
article_attribute_ajax
article_bundle_ajax
Article_Crossselling
article_crossselling_ajax
Article_Extend
article_extend_ajax
Article_Files
Article_List
Article_Main
Article_Overview
Article_Pictures
Article_Review
article_selection_ajax
Article_Seo
Article_Stock
Article_Userdef
Article_Variant
Attribute
Attribute_Category
attribute_category_ajax
Attribute_List
Attribute_Main
attribute_main_ajax
attribute_order_ajax
Basket
Category
Category_List
Category_Main
category_main_ajax
Category_Order
category_order_ajax
Category_Pictures
Category_Seo
Category_Text
Category_Update
ClearCookies
Compare
Contact
Content
Content_List
Content_Main
Content_Seo
Countable
Country
Country_List
Country_Main
Credits
Delivery
Delivery_Articles
delivery_articles_ajax
delivery_categories_ajax
delivery_groups_ajax
Delivery_List
Delivery_Main
delivery_main_ajax
Delivery_Users
delivery_users_ajax
DeliverySet
deliveryset_country_ajax
deliveryset_groups_ajax
DeliverySet_List
DeliverySet_Main
deliveryset_main_ajax
DeliverySet_Payment
deliveryset_payment_ajax
deliveryset_rdfa
DeliverySet_Users
deliveryset_users_ajax
Details
Diagnostics
Diagnostics_List
Diagnostics_Main
Discount
Discount_Articles
discount_articles_ajax
discount_categories_ajax
discount_groups_ajax
discount_item_ajax
Discount_List
Discount_Main
discount_main_ajax
Discount_Users
discount_users_ajax
Download
dyn_econda
dyn_interface
dyn_trusted
dyn_trusted_ratings
DynExportBase
Dynscreen
Dynscreen_List
Dynscreen_Local
Exception
ExceptionError
ForgotPwd
GenExport
GenExport_Do
GenExport_Main
GenImport
GenImport_Main
GuestBook
GuestbookEntry
Invite
InvoicepdfArticleSummary
InvoicepdfBlock
InvoicepdfOrder_Overview
InvoicepdfOrder_Overview_parent
InvoicepdfOxOrder
InvoicepdfOxOrder_parent
Iterator
Language
Language_List
Language_Main
Links
List_Order
List_Review
List_User
Login
Manufacturer
Manufacturer_List
Manufacturer_Main
manufacturer_main_ajax
Manufacturer_Seo
ManufacturerList
Module
Module_Config
Module_List
Module_Main
Module_SortList
MoreDetails
Navigation
News
News_List
News_Main
news_main_ajax
News_Text
Newsletter
Newsletter_List
Newsletter_Main
Newsletter_Plain
Newsletter_Preview
Newsletter_Selection
newsletter_selection_ajax
Newsletter_Send
Object_Seo
order
Order_Address
Order_Article
Order_Downloads
Order_List
Order_Main
Order_Overview
Order_Package
Order_Remark
oxActionList
oxActions
oxAddress
oxAdminDetails
oxAdminList
oxAdminView
oxAdoDbException
oxAmountPriceList
oxApplicationServer
oxArticle
oxArticleException
oxArticleInputException
oxArticleList
oxArticleTagList
oxAttribute
oxAttributeList
oxBase
oxBasket
oxBasketContentMarkGenerator
oxBasketItem
oxBasketReservation
oxCaptcha
oxCategory
oxCategoryList
oxCcValidator
oxcmp_basket
oxcmp_categories
oxcmp_cur
oxcmp_lang
oxcmp_news
oxcmp_shop
oxcmp_user
oxcmp_utils
oxCompanyVatIn
oxCompanyVatInChecker
oxCompanyVatInCountryChecker
oxCompanyVatInValidator
oxConfig
OxConfigFile
oxConnectionException
oxContent
oxContentList
oxCookieException
oxCounter
oxCountry
oxCountryList
oxCurl
oxDb
oxDbMetaDataHandler
oxDebugDb
oxDebugInfo
oxDecryptor
oxDelivery
oxDeliveryList
oxDeliverySet
oxDeliverySetList
oxDiagnostics
oxDiagnosticsOutput
oxDiscount
oxDiscountList
oxDisplayError
oxDynImgGenerator
oxEmail
oxEncryptor
oxErpArticle
oxErpArticle450
oxErpArticle450_parent
oxErpArticle_parent
oxERPBase
oxErpCsv
oxErpGenImport
oxERPType
oxERPType_Accessoire
oxERPType_Artextends
oxERPType_Article
oxERPType_Article2Action
oxERPType_Article2Attribute
oxERPType_Article2Category
oxERPType_Attribute
oxERPType_Category
oxERPType_Content
oxERPType_Country
oxERPType_Crossselling
oxERPType_Order
oxERPType_OrderArticle
oxERPType_ScalePrice
oxERPType_User
oxERPType_Vendor
oxException
oxExceptionHandler
oxExceptionToDisplay
oxField
oxFile
oxFileChecker
oxFileCheckerResult
oxFileCollector
oxFileException
oxGbEntry
oxGroups
oxHasher
oxHeader
oxI18n
oxIArticle
OxIConfigurable
oxICountryAware
Oxid
oxIDisplayError
oxImex
oxIModuleValidator
oxInputException
oxInputValidator
oxISelectList
oxITagList
oxIUrl
oxLang
oxLanguageException
oxLegacyDb
oxLinks
oxList
oxListObject
oxLocator
oxMailValidator
oxMaintenance
oxManufacturer
oxManufacturerList
oxMdVariant
oxMediaUrl
oxModule
oxModuleCache
oxModuleFilesValidator
oxModuleInstaller
oxModuleList
oxModuleMetadataAgainstShopValidator
oxModuleMetadataValidator
oxModuleValidatorFactory
OxNavigationTree
oxNews
oxNewsletter
oxNewslist
oxNewsSubscribed
oxNoArticleException
oxNoJsValidator
oxObject2Category
oxObject2Group
oxObjectException
oxOnlineCaller
oxOnlineLicenseCheck
oxOnlineLicenseCheckCaller
oxOnlineLicenseCheckRequest
oxOnlineLicenseCheckResponse
oxOnlineModulesNotifierRequest
oxOnlineModuleVersionNotifier
oxOnlineModuleVersionNotifierCaller
oxOnlineRequest
oxOnlineServerEmailBuilder
oxOnlineVatIdCheck
oxOpenSSLFunctionalityChecker
oxOrder
oxOrderArticle
oxOrderArticleList
oxOrderFile
oxOrderFileList
oxOutOfStockException
oxOutput
oxPasswordHasher
oxPasswordSaltGenerator
oxPayment
oxPaymentGateway
oxPaymentList
oxPDF
oxPictureHandler
oxPrice
oxPricealarm
oxPriceList
oxRating
oxRecommList
oxRegistry
oxRemark
oxRequiredAddressFields
oxRequiredFieldsValidator
oxRequiredFieldValidator
oxReview
oxRssFeed
oxSearch
oxSelection
oxSelectlist
oxSeoDecoder
oxSeoEncoder
oxSeoEncoderArticle
oxSeoEncoderCategory
oxSeoEncoderContent
oxSeoEncoderManufacturer
oxSeoEncoderRecomm
oxSeoEncoderTag
oxSeoEncoderVendor
oxSepaBICValidator
oxSepaIBANValidator
oxSepaValidator
oxServerChecker
oxServerProcessor
oxServersManager
oxSession
oxSha512Hasher
oxShop
oxShopControl
oxShopException
oxShopList
oxShopViewValidator
oxSimpleVariant
oxSimpleVariantList
oxSimpleXml
oxSmartyRenderer
oxState
oxStatistic
oxStdClass
oxStr
oxStrMb
oxStrRegular
oxSuperCfg
oxSysRequirements
oxSystemComponentException
oxSystemEventHandler
oxTag
oxTagCloud
oxTagList
oxTagSet
oxTheme
oxTsProduct
oxTsProtection
oxTsRatings
oxUBase
oxUniversallyUniqueIdGenerator
oxUser
oxUserAddressList
oxUserBasket
oxUserBasketItem
oxUserCounter
oxUserException
oxUserList
oxUserPayment
oxUtils
oxUtilsCount
oxUtilsDate
oxUtilsFile
oxUtilsObject
oxUtilsPic
oxUtilsServer
oxUtilsString
oxUtilsUrl
oxUtilsView
oxUtilsXml
oxVariantHandler
oxVariantSelectList
oxVatSelector
oxVendor
oxVendorList
oxView
oxViewConfig
oxVoucher
oxVoucherException
oxVoucherList
oxVoucherSerie
oxwArticleBox
oxwArticleDetails
oxwBetaNote
oxwCategoryTree
oxwCookieNote
oxwCurrencyList
oxWidget
oxWidgetControl
oxwInformation
oxwLanguageList
oxwManufacturerList
oxwMiniBasket
oxWrapping
oxwRating
oxwRecommendation
oxwReview
oxwServiceList
oxwServiceMenu
oxwTagCloud
oxwVendorList
Payment
Payment_Country
payment_country_ajax
Payment_List
Payment_Main
payment_main_ajax
payment_rdfa
PHPMailer
Pricealarm
PriceAlarm_List
PriceAlarm_Mail
PriceAlarm_Main
PriceAlarm_Send
RecommAdd
RecommList
Register
Review
Rss
Search
SelectList
SelectList_List
SelectList_Main
selectlist_main_ajax
selectlist_order_ajax
Shop
Shop_Config
shop_default_category_ajax
Shop_License
Shop_List
Shop_Main
Shop_Performance
shop_rdfa
Shop_Seo
Shop_System
Start
Statistic
Statistic_List
Statistic_Main
statistic_main_ajax
Statistic_Service
Suggest
sysreq
sysreq_list
sysreq_main
SystemInfo
Tag
Tags
TCPDF
Thankyou
Theme
Theme_Config
Theme_List
Theme_Main
Tools
Tools_List
Tools_Main
Tpl
User
User_Address
User_Article
User_Extend
User_List
User_Main
user_main_ajax
User_Overview
User_Payment
User_Remark
UserGroup
UserGroup_List
UserGroup_Main
usergroup_main_ajax
Vendor
Vendor_List
Vendor_Main
vendor_main_ajax
Vendor_Seo
VendorList
VoucherSerie
VoucherSerie_Export
VoucherSerie_Generate
VoucherSerie_Groups
voucherserie_groups_ajax
VoucherSerie_List
VoucherSerie_Main
Wishlist
Wrapping
Wrapping_List
Wrapping_Main