- ActivityCaret
- ActivityMonitor
- ClassUtil
- Common
- DefaultPlugger
- DefaultPluginManager
- EventPool
- FileUtil
- GraphicsEnvironmentPanel
- HandleActivation
- HandleDisplay
- HandleSelection
- HandleState
- HandleUserProperties
- IconLoader
- Identified
- IOStreamUtil
- IPlugger
- IPlugin
- IPluginManager
- JDatePanel
- JDesktopPane
- JImageFeature
- JImageFrame
- JImagePanel
- JImagePanelToolBar
- JMemoryStateBar
- JPanelFrame
- JRenderingHintsPanel
- JTaskProgress
- JThumbnail
- JThumbnailImage
- JThumbnailListener
- JThumbnailPanel
- JThumbnailPanelListener
- LangResource
- LangResourceBundle
- LangResourceContentHandler
- LangResourceErrorHandler
- LangResourceXMLFilter
- LangResourceXMLReader
- LogHandler
- Named
- PathUtil
- PluginManagerListener
- PluginToolkit
- PluginToolkitEvent
- PluginToolkitListener
- SplashWindow
- TaskEvent
- TaskListener
- WrapLayout