| Name | Description | Type | Package | Framework |
| AbstractGroup | A semi-implemented item for group. | Class | org.zkoss.idom.impl | ZKoss (ZK) |
| AbstractGroup .ElementMap | Stores a 'cached' map of child elements to speed up the access. | Class | org.zkoss.idom.impl.AbstractGroup | ZKoss (ZK) |
| AbstractItem | A semi-implemented item for leaf vertices. | Class | org.zkoss.idom.impl | ZKoss (ZK) |
| AbstractTextual | Represents a textual item. | Class | org.zkoss.idom.impl | ZKoss (ZK) |
| Attributable | Represents a class that has attributes. | Interface | org.zkoss.idom | ZKoss (ZK) |
| Attribute | Design decision: Attribute is also a item. | Class | org.zkoss.idom | ZKoss (ZK) |
| Binable | Represent a class that allows any type of objects, not just String. | Interface | org.zkoss.idom | ZKoss (ZK) |
| Binary | The binary item. | Class | org.zkoss.idom | ZKoss (ZK) |
| CData | Class | org.zkoss.idom | ZKoss (ZK) | |
| Comment | Class | org.zkoss.idom | ZKoss (ZK) | |
| DefaultIDOMFactory | The default iDOM factory. | Class | org.zkoss.idom.input | ZKoss (ZK) |
| DocType | Class | org.zkoss.idom | ZKoss (ZK) | |
| Document | Represents Document which is also W3C/DOM's document, i. | Class | org.zkoss.idom | ZKoss (ZK) |
| DOMException | Denotes an operation is not supported. | Class | org.zkoss.idom | ZKoss (ZK) |
| DOMImplementation | The iDOM's implementation of DOMImplementation. | Class | org.zkoss.idom.impl | ZKoss (ZK) |
| Element | Class | org.zkoss.idom | ZKoss (ZK) | |
| EmptyNamedNodeMap | An empty NamedNodeMap. | Class | org.zkoss.idom.impl | ZKoss (ZK) |
| EntityReference | The iDOM entity reference. | Class | org.zkoss.idom | ZKoss (ZK) |
| FacadeNodeList | The NodeList which is a facade of another java List. | Class | org.zkoss.idom.impl | ZKoss (ZK) |
| Group | Represents an item might have children. | Interface | org.zkoss.idom | ZKoss (ZK) |
| IDOMFactory | A DOM factory. | Interface | org.zkoss.idom.input | ZKoss (ZK) |
| IDOMs | The iDOM relevant utilities. | Class | org.zkoss.idom.util | ZKoss (ZK) |
| Item | Represents an item (a. | Interface | org.zkoss.idom | ZKoss (ZK) |
| Namespace | Represents the namespace. | Class | org.zkoss.idom | ZKoss (ZK) |
| Namespaceable | Represents a class that supports namespace. | Interface | org.zkoss.idom | ZKoss (ZK) |
| ProcessingInstruction | The iDOM processing instruction. | Class | org.zkoss.idom | ZKoss (ZK) |
| SAXBuilder | The builder based on SAX parsers. | Class | org.zkoss.idom.input | ZKoss (ZK) |
| SAXHandler | It implements ContentHandler, LexicalHandler and DeclHandler. | Class | org.zkoss.idom.input | ZKoss (ZK) |
| Text | Class | org.zkoss.idom | ZKoss (ZK) | |
| Textual | Represents an object that is mainly for storing "text". | Interface | org.zkoss.idom | ZKoss (ZK) |
| Transformer | Transforms an iDOM Document. | Class | org.zkoss.idom.transform | ZKoss (ZK) |
| Verifier | The verifier to verify W3C/DOM related constraints. | Class | org.zkoss.idom | ZKoss (ZK) |