| Name | Description | Type | Package | Framework |
| DesktopRecycles | Utilities to handle DesktopRecycle. | Class | org.zkoss.zk.ui.http | ZKoss (ZK) |
| DHtmlLayoutFilter | Used to post-process the response into a ZK page. | Class | org.zkoss.zk.ui.http | ZKoss (ZK) |
| DHtmlLayoutPortlet | The portlet used to process the request for a ZUML page. | Class | org.zkoss.zk.ui.http | ZKoss (ZK) |
| DHtmlLayoutServlet | Used to process the request for a ZUML page. | Class | org.zkoss.zk.ui.http | ZKoss (ZK) |
| ExecutionImpl | Class | org.zkoss.zk.ui.http | ZKoss (ZK) | |
| HttpSessionListener | Used to clean up desktops that a session owns. | Class | org.zkoss.zk.ui.http | ZKoss (ZK) |
| HttpSessionListener23 | The listener works with Servlet 2. | Class | org.zkoss.zk.ui.http | ZKoss (ZK) |
| I18Ns | Internationalization utilities. | Class | org.zkoss.zk.ui.http | ZKoss (ZK) |
| RichletFilter | A filter used for ZK Richlet To enable this filter, you can specify the following statement into web. | Class | org.zkoss.zk.ui.http | ZKoss (ZK) |
| ScriptManager | A manager to manage the script of WPD. | Interface | org.zkoss.zk.ui.http | ZKoss (ZK) |
| ScriptManagerImpl | The default implementation of the script manager (ScriptManager). | Class | org.zkoss.zk.ui.http | ZKoss (ZK) |
| SerializableSession | Serializable Session. | Class | org.zkoss.zk.ui.http | ZKoss (ZK) |
| SerializableUiFactory | The serializable implementation of UiFactory. | Class | org.zkoss.zk.ui.http | ZKoss (ZK) |
| SessionResolverImpl | An implementation of session resolver (SessionResolver) based on HTTP request. | Class | org.zkoss.zk.ui.http | ZKoss (ZK) |
| SimpleSession | A non-serializable implementation of Session. | Class | org.zkoss.zk.ui.http | ZKoss (ZK) |
| SimpleSessionCache | A simple implementation of SessionCache. | Class | org.zkoss.zk.ui.http | ZKoss (ZK) |
| SimpleUiFactory | The default implementation of UiFactory. | Class | org.zkoss.zk.ui.http | ZKoss (ZK) |
| SimpleWebApp | A servlet-based Web application. | Class | org.zkoss.zk.ui.http | ZKoss (ZK) |
| Utils | A collection of utilities for this package. | Class | org.zkoss.zk.ui.http | ZKoss (ZK) |
| WcsExtendlet | The extendlet to handle WCS (widget CSS). | Class | org.zkoss.zk.ui.http | ZKoss (ZK) |
| WebManager | A bridge between Web server and ZK. | Class | org.zkoss.zk.ui.http | ZKoss (ZK) |
| WebManagerActivationListener | A listener that will be invoked when the Web manager is created (a. | Interface | org.zkoss.zk.ui.http | ZKoss (ZK) |
| WpdExtendlet | The extendlet to handle WPD (Widget Package Descriptor). | Class | org.zkoss.zk.ui.http | ZKoss (ZK) |
| Wpds | Utilities to used with WPD files. | Class | org.zkoss.zk.ui.http | ZKoss (ZK) |
| ZKWebSocket | A web socket util classSince:8. | Class | org.zkoss.zk.ui.http | ZKoss (ZK) |
| ZumlExtendlet | The ZUML resource processor used to parse the ZUML files loaded from the classpath. | Class | org.zkoss.zk.ui.http | ZKoss (ZK) |