| Cache |
| Controller |
| Domain |
| Extension |
| Helper |
| Model |
| Query |
| Service |
| FalHelper | Helper for File Abstraction Layer. |
| FeUser | Helper for FeUser |
| FlexFormHelper | TYPO3 FlexForm Helper. |
| Logger | |
| Services | XmTools' facade like base class. |
| SessionManager | TYPO3 session manager. Managages the retrieval of selected TYPO3 session stores. |
| SessionStore | Session store for TYPO3 Extbase. |