- AbsoluteTimeDateFormat
- AbstractDynamicMBean
- Agent
- Appender
- AppenderAttachable
- AppenderAttachableImpl
- AppenderDynamicMBean
- AppenderFinalizer
- AppenderSkeleton
- AsyncAppender
- AttributesRenderer
- BasicConfigurator
- BoundedFIFO
- Category
- Configurator
- ConsoleAppender
- CountingQuietWriter
- CyclicBuffer
- DailyRollingFileAppender
- DateLayout
- DateTimeDateFormat
- DefaultLF5Configurator
- DefaultRepositorySelector
- DefaultThrowableRenderer
- DenyAllFilter
- DOMConfigurator
- EnhancedPatternLayout
- EnhancedThrowableRenderer
- ErrorCode
- ErrorHandler
- ExternallyRolledFileAppender
- FallbackErrorHandler
- FileAppender
- FileWatchdog
- Filter
- FilteredObjectInputStream
- FormattingInfo
- Hierarchy
- HierarchyDynamicMBean
- HierarchyEventListener
- HTMLLayout
- ISO8601DateFormat
- Layout
- LayoutDynamicMBean
- Level
- LevelMatchFilter
- LevelRangeFilter
- LF5Appender
- Loader
- LocationInfo
- Log4jEntityResolver
- Log4JLogRecord
- Logger
- LoggerDynamicMBean
- LoggerFactory
- LoggerRepository
- LoggingEvent
- LogLevel
- LogLevelFormatException
- LogLog
- LogManager
- LogMF
- LogRecord
- LogRecordFilter
- LogSF
- LogXF
- MDC
- MDCKeySetExtractor
- MessageRenderer
- NDC
- NOPLogger
- NOPLoggerRepository
- NTEventLogAppender
- NullAppender
- NullEnumeration
- ObjectRenderer
- OnlyOnceErrorHandler
- OptionConverter
- OptionHandler
- PassingLogRecordFilter
- PatternConverter
- PatternLayout
- PatternParser
- Priority
- PropertyConfigurator
- PropertyGetter
- PropertyGetter.PropertyCallback
- PropertyPrinter
- PropertySetter
- PropertySetterException
- QuietWriter
- RelativeTimeDateFormat
- ReloadingPropertyConfigurator
- RendererMap
- RendererSupport
- RepositorySelector
- Roller
- RollingFileAppender
- RootCategory
- RootLogger
- SAXErrorHandler
- SimpleLayout
- SimpleSocketServer
- SMTPAppender
- SocketAppender
- SocketHubAppender
- SocketNode
- SocketServer
- StartLogFactor5
- StringMatchFilter
- SyslogAppender
- SyslogQuietWriter
- SyslogWriter
- TelnetAppender
- ThreadGroupRenderer
- ThreadLocalMap
- ThrowableInformation
- ThrowableRenderer
- ThrowableRendererSupport
- Transform
- TriggeringEventEvaluator
- TTCCLayout
- UnrecognizedElementHandler
- UtilLoggingLevel
- WriterAppender
- XMLLayout
- ZeroConfSupport