| Name | Type | Package | Detail |
| AbstractComponent | Abstract Class | zk.ui | Detail |
| Component | Interface | zk.ui | Detail |
| HtmlBasedComponent | Class | zk.ui | Detail |
| HtmlMacroComponent | Class | zk.ui | Detail |
| HtmlNativeComponent | Class | zk.ui | Detail |
| StubComponent | Class | ui.sys | Detail |
| StubsComponent | Class | ui.sys | Detail |
| XmlMacroComponent | Class | zkoss.zml | Detail |
| XmlNativeComponent | Class | zkoss.zml | Detail |
