| QActive | Active Object structure |
| QEQueue | Native QF Event Queue |
| QEvent | Event structure |
| QFreeBlock | Tructure representing a free block in the Native QF Memory Pool |
| QFsm | Finite State Machine |
| QMPool | Native QF Memory Pool |
| QPSet64 | Priority Set of up to 64 elements for building various schedulers |
| QPSet8 | Priority Set of up to 8 elements for building various schedulers |
| QSubscrList | Subscriber-List structure |
| QTimeEvt | Time Event structure |
1.6.3