| AdCtl | Google Play Auth, Achives and Ratings, AdMob, and Analytics for Qt/QML on Android/iOS | Mobile, QML | Modified BSD | |
| Enginio | Enginio client library for Qt platfom. Provides both Qt C++ and QML APIs to client applications. | Data, API, QML | GPLv3, LGPLv2.1 | |
| KDeclarative | Provides integration of QML and KDE Frameworks | Desktop, QML | LGPLv2.1+ | |
| Kirigami | QtQuick plugins to build user interfaces based on the KDE human interface guidelines | Mobile, QML | LGPLv2.1+ | |
| osgQtQuick | OpenSceneGraph QML Modules | Graphics, QML | LGPLv2.1+ | |
| QanMenuBar | QanMenuBar is lightweight dynamic QML menu component similar to PieMenu | QML | GPLv3+ | |
| QtFirebase | An effort to bring the Firebase C++ API to Qt + QML | QML, Mobile, API, Data | MIT | |
| Quick Cross | QML Cross Platform Utility Library | QML | Apache-2.0 | |
| Quick Promise | QML Promise Library | QML | Apache-2.0 | |
| QuickProperties | QuickProperties is a C++/QML library for viewving and editing QObject properties in Qt5 | QML | GPLv3+ | |
| QuickQanava | QuickQanava is a C++/QML graph drawing library for Qt5 | Graphics, QML | GPLv3+ |