Maintainers
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See also Qt Modules Maturity Level for the status of each module (may be out of date) and Plans for Modules for notes and ideas about what the maintainers plan for their modules.
Qt Maintainers
Note: Please do not contact these developers directly unless you want to discuss your contributions. If you need help with Qt, ask in an appropriate forum or join one of our online communities.
Qt's Chief Maintainer is Volker Hilsheimer.
The Component column in this table is what you should choose for "Component/s" when writing up a bug on https://bugreports.qt.io. But there are also some clarification comments in a small font size.
| git repo | Module | Component | Name | Company | Country | |
|---|---|---|---|---|---|---|
| qt3d | Qt 3D | Qt3D (completely separate from Quick: 3D) | Sean Harmer
Paul Lemire |
KDAB | United Kingdom | sean.harmer@kdab.com
paul.lemire@kdab.com |
| qt5compat | Qt 5 Compat | Qt5 Compat | Sona Kurazyan | Germany | kurazyan.sona@gmail.com | |
| qtactiveqt | Active Qt | Active Qt | Oliver Wolff | The Qt Company | Germany | oliver.wolff@qt.io |
| qtapplicationmanager | Qt Application Manager | Qt Application Manager | Robert Griebl | The Qt Company | Germany | robert.griebl@qt.io |
| qtbase | Lars Knoll | Norway | lars@knoll.priv.no | |||
| qtbase | Build System | Build tools: qmake
Tools: Qt Configuration Tool Build tools: Other |
Jörg Bornemann | The Qt Company | Germany | joerg.bornemann@qt.io |
| qtbase | Build System | Build System: CMake
Build System |
Alexandru Croitor | The Qt Company | Germany | alexandru.croitor@qt.io |
| qtbase | tools | Build tools: moc | Fabian Kosmale | The Qt Company | Germany | fabian.kosmale@qt.io |
| qtbase | tools | Build tools: rcc | André Pönitz | The Qt Company | Germany | andre.poenitz@qt.io |
| qtbase | Qt Core | Thiago Macieira | Intel | USA | thiago.macieira@intel.com | |
| qtbase | Qt Core | for MIME types use Core: Other | David Faure | KDAB | France | david.faure@kdab.com |
| qtbase | Qt Core | Core: Item Models | David Faure | KDAB | France | david.faure@kdab.com |
| qtbase | Qt Core | Core: Locales (i18n)
Core: Date/Time |
Edward Welbourne | The Qt Group | Norway | edward.welbourne@qt.io |
| qtbase | Qt D-Bus | D-Bus | (unmaintained) | |||
| qtbase | Qt GUI | |||||
| qtbase | Qt GUI | GUI: Accessibility (a11y) | Jan Arve Sæther | The Qt Company | Norway | jan-arve.saether@qt.io |
| qtbase | Qt GUI | GUI: Basic Input System
GUI: Wacom Tablet Input |
Shawn Rutledge | The Qt Company | Norway | shawn.rutledge@qt.io |
| qtbase | Qt GUI | GUI: OpenGL
Qt RHI |
Laszlo Agocs | The Qt Company | Norway | laszlo.agocs@qt.io |
| qtbase | Qt GUI | GUI: Painting
QPainter, QImage etc. |
Eirik Aavitsland | The Qt Company | Norway | eirik.aavitsland@qt.io |
| qtbase | Qt GUI | GUI: Font handling
GUI: Text handling Eskil is maintainer for fonts, text rendering and text layouts in QPainter and Scene Graph |
Eskil Abrahamsen Blomfeldt | The Qt Company | Norway | eskil.abrahamsen-blomfeldt@qt.io |
| qtbase | Qt GUI | GUI: Window management
QPA Windowing system bits (QWindow, QPixmap, reference QPA plugins) |
||||
| qtbase | Qt GUI | GUI: High-DPI | Morten Sørvig | The Qt Company | Norway | morten.sorvig@qt.io |
| qtbase | Qt GUI | QPA | Tor Arne Vestbø | The Qt Company | Norway | |
| qtbase | Qt GUI | GUI: Printing (that includes QPdfWriter too) | (unmaintained) | |||
| qtbase | Qt Network | Network | Mårten Nordheim | The Qt Company | Norway | marten.nordheim@qt.io |
| qtbase | Qt Network | Network: HTTP (and other high-level protocols) | Mårten Nordheim | The Qt Company | Norway | marten.nordheim@qt.io |
| qtbase | Qt Network | Network: SSL | Timur Pocheptsov | The Qt Company | Norway | timur.pocheptsov@qt.io |
| qtbase | Qt Network | Network: Sockets
Network: DNS Network: Proxies (and other low-level network features) |
Mårten Nordheim | The Qt Company | Norway | marten.nordheim@qt.io |
| qtbase | Qt OpenGL | GUI: OpenGL
(all non-essential QOpenGL code moved from Qt GUI) |
Laszlo Agocs | The Qt Company | Norway | laszlo.agocs@qt.io |
| qtbase | Qt SQL | SQL Support | Christian Ehrlicher | Germany | ch.ehrlicher@gmx.de | |
| qtbase | Qt SQL | SQLite | Andy Shaw | The Qt Company | Norway | andy.shaw@qt.io |
| qtbase | Qt Test | Testing: qtestlib | Jason McDonald | Australia | macadder1@gmail.com | |
| qtbase | Qt Widgets | Richard Gustavsen
Volker Hilsheimer |
The Qt Company | Norway | richard.gustavsen@qt.io
volker.hilsheimer@qt.io | |
| qtbase | Qt Widgets | Widgets: Layout | Jan-Arve Sæther | The Qt Company | Norway | Jan-Arve.Saether@qt.io |
| qtbase | Qt Widgets | Widgets: Styles | Richard Gustavsen | The Qt Company | Norway | richard.gustavsen@qt.io |
| qtbase | Qt Widgets | Widgets: Graphics View | Andreas Aardal Hanssen | Norway | andreas@hanssen.name | |
| qtbase | Qt Widgets | GUI: Text handling
for fonts, text layout etc. |
Eskil Abrahamsen-Blomfeldt | The Qt Company | Norway | eskil.abrahamsen-blomfeldt@qt.io |
| qtbase | Qt Widgets | Widgets: Widgets & Dialogs
Widgets: Main Window Widgets: Item Views |
Richard Moe Gustavsen | The Qt Company | richard.gustavsen@qt.io | |
| qtbase | Qt XML | XML: DOM
XML: QtXmlPatterns XML: Stream Reader / Writer |
||||
| qtcharts | Qt Charts | Charts | Miikka Heikkinen | The Qt Company | Finland | miikka.heikkinen@qt.io |
| qtcoap | Qt CoAP | CoAP | Sona Kurazyan | Germany | kurazyan.sona@gmail.com | |
| qtconnectivity | Qt NFC | Connectivity: NFC | Aaron McCarthy | Australia | mccarthy.aaron@gmail.com | |
| qtconnectivity | Qt Bluetooth | Connectivity: Bluetooth | Alex Blasche | The Qt Company | Germany | alexander.blasche@qt.io |
| qtdatavis3d | Qt Data Visualization | Data Visualization | Tomi Korpipää | The Qt Company | Finland | tomi.korpipaa@qt.io |
| qtdeclarative | ||||||
| qtdeclarative | Qt QML | QML: Declarative and Javascript Engine | Ulf Hermann | The Qt Company | Germany | ulf.hermann@qt.io |
| qtdeclarative | Qt QML | QML: Tooling
QML: Compiler QML and C++ core API |
Ulf Hermann | The Qt Company | Germany | ulf.hermann@qt.io |
| qtdeclarative | Qt Quick | Quick: Core Declarative QML | Shawn Rutledge | The Qt Company | Norway | shawn.rutledge@qt.io |
| qtdeclarative | Qt Quick | Quick: SceneGraph | Andy Nichols | The Qt Company | Norway | andy.nichols@qt.io |
| qtdeclarative | Qt Quick Controls 2 | Quick: Controls 2 | Mitch Curtis | The Qt Company | Norway | mitch.curtis@qt.io |
| qtdoc | Documentation | Norway | ||||
| qtgraphs | Qt Graphs | Graphs: 2D
Graphs: 3D |
Sami Varanka
Tomi Korpipää |
The Qt Company | Finland | sami.varanka@qt.io
tomi.korpipää@qt.io |
| qtgrpc | Qt GRPC | GRPC | Alexey Edelev | The Qt Company | Germany | alexey.edelev@qt.io |
| qtgrpc | Qt Protobuf | Protocol Buffers | Tatiana Borisova | The Qt Company | Germany | tatiana.borisova@qt.io |
| qthttpserver | Qt HTTP Server | Qt Http Server | Mikhail Svetkin | mikhail.svetkin@gmail.com | ||
| qtimageformats | Qt Image Formats | Image formats | Eirik Aavitsland | The Qt Company | Norway | eirik.aavitsland@qt.io |
| qtinterfaceframework | Qt Interface Framwork | Qt Interface Framework | Dominik Holland | The Qt Company | Germany | dominik.holland@qt.io |
| qtlanguageserver | Qt Language Server | Qt Language Server (includes JsonRPC) | Fawzi Mohamed | The Qt Company | Germany | Fawzi.Mohamed@qt.io |
| qtlottie | Qt Lottie | Lottie | Rebecca Worledge | USA | becky.worledge@gmail.com | |
| qtlocation | Qt Location | Alex Blasche | The Qt Company | Germany | alexander.blasche@qt.io | |
| qtpositioning | Qt Positioning | Positioning | Alex Blasche | The Qt Company | Germany | alexander.blasche@qt.io |
| qtmqtt | Qt MQTT | MQTT | Maurice Kalinowski | The Qt Company | Germany | maurice.kalinowski@qt.io |
| qtmultimedia | Qt Multimedia | Multimedia | Lars Knoll | Norway | lars@knoll.priv.no | |
| qtnetworkauth | Qt Network Authorization | Network: Authentication | Jesús Fernández | Electronic Arts | Spain | jsfdez@gmail.com |
| qtopcua | Qt Opc Ua | OpcUA | Jannis Völker | basysKom GmbH | Germany | jannis.voelker@basyskom.com |
| qtqa | Internal use | |||||
| qtquick3d | Qt Quick 3D | Quick: 3D | Andy Nichols | The Qt Company | Norway | andy.nichols@qt.io |
| qtquick3dphysics | Qt Quick 3D Physics | Quick: 3D Physics | Jonas Karlsson | The Qt Company | Norway | jonas.karlsson@qt.io |
| qtquickeffectmaker | Qt Quick Effect Maker | Quick: Effect Maker | Kaj Grönholm | The Qt Company | Finland | kaj.gronholm@qt.io |
| qtquicktimeline | Qt Quick Timeline | Quick: Timeline | Thomas Hartmann | The Qt Company | Germany | thomas.hartmann@qt.io |
| qtremoteobjects | Qt Remote Objects | Remote Objects | Brett Stottlemyer | Ford | USA | bstottle@ford.com |
| qtrepotools | Internal use | |||||
| qtscxml | Qt SCXML | XML: SCXML | Ulf Hermann | The Qt Company | Germany | ulf.hermann@qt.io |
| qtsensors | Qt Sensors | Sensors | Lorn Potter | Australia | lorn.potter@gmail.com | |
| qtserialbus | Qt Serial Bus | CAN Bus | André Hartmann | Germany | aha_1980@gmx.de | |
| qtserialbus | Qt Serial Bus | ModBus | Karsten Heimrich | The Qt Company | Germany | karsten.heimrich@qt.io |
| qtserialport | Qt Serial Port | Serial Port | ||||
| qtshadertools | Qt ShaderTools | Qt Shader Tools | Laszlo Agocs | The Qt Company | Norway | laszlo.agocs@qt.io |
| qtspeech | Qt TextToSpeech | Speech | Volker Hilsheimer | The Qt Company | Norway | volker.hilsheimer@qt.io |
| qtsvg | Qt SVG | SVG Support | Hatem ElKharashy | The Qt Company | Finland | hatem.elkharashy@qt.io |
| qttools | Assistant & Qt Help | Tools: Assistant | Jaroslaw Kobus | The Qt Company | Germany | jaroslaw.kobus@qt.io |
| qttools | Designer and Qt UI Tools | Tools: Designer | Friedemann Kleint | The Qt Company | Germany | friedemann.kleint@qt.io |
| qttools | Linguist & related tools | Tools: Linguist | Kai Köhne | The Qt Company | Germany | kai.koehne@qt.io |
| qttools | qdoc | Build tools: doc | Topi Reiniö | The Qt Company | Norway | topi.reinio@qt.io |
| qttranslations | Translations (I18n) | Oswald Buddenhagen | Germany | oswald.buddenhagen@gmx.de | ||
| qtvirtualkeyboard | Qt Virtual Keyboard | Virtual Keyboard | Jarkko Koivikko | Code-Q | Finland | jarkko.koivikko@code-q.fi |
| qtwayland | Qt Wayland | Client | David Edmundson | UK | davidedmundson@kde.org | |
| qtwayland | Qt Wayland | Compositor | Eskil Abrahamsen Blomfeld | The Qt Company | Norway | Eskil.Abrahamsen-Blomfeldt@qt.io |
| qtwebengine | Qt WebEngine | WebEngine | Allan Sandfeld Jensen | The Qt Company | Germany | allan.jensen@qt.io |
| qtwebengine | Qt PDF | PDF (QPdfWriter is not this category) | Shawn Rutledge | The Qt Company | Norway | shawn.rutledge@qt.io |
| qtwebsockets | Qt WebSockets | WebSockets | Mårten Nordheim
Timur Pocheptsov |
The Qt Company | Norway | marten.nordheim@qt.io
timur.pocheptsov@qt.io |
| qtwebchannel | Qt WebChannel | WebChannel | Arno Rehn | Menlo Systems GmbH | Germany | a.rehn@menlosystems.com |
| qtwebview | Qt WebView | WebView | Christian Strømme | The Qt Company | Norway | christian.stromme@qt.io |
Modules Unsupported in Qt 6
The following modules are either generally unsupported, or only supported up to Qt 5:
| git repo | Module | Status | Name | Company | Country | |
|---|---|---|---|---|---|---|
| qtcanvas3d | Qt Canvas 3D | Pasi Keranen | Finland | |||
| qtcloudmessaging | Ari Salmi | SnowGrains | snowgrains@snowgrains.com | |||
| qtfeedback | Qt Feedback | Not supported | Chris Adams | Qinetic | Australia | chris.adams@qinetic.com.au |
| qtgamepad | Qt Gamepad | Andy Nichols | The Qt Company | Norway | andy.nichols@qt.io | |
| qtgraphicaleffects | Qt Graphical Effects | |||||
| qtpurchasing | Qt Purchasing | Eskil Abrahamsen Blomfeldt | The Qt Company | Norway | eskil.abrahamsen-blomfeldt@qt.io | |
| qtquickcontrols | Qt Quick Controls 1 | Not supported :
replaced with Qt Quick Controls 2 |
||||
| qtsystems | Qt Publish and Subscribe | Not supported since Qt 5 | Alex Blasche | The Qt Company | Germany | alexander.blasche@qt.io |
| qtsystems | Qt Service Framework | Not supported since Qt 5 | Alex Blasche | The Qt Company | Germany | alexander.blasche@qt.io |
| qtsystems | Qt System Info | Not supported since Qt 5 | Lorn Potter | Australia | lorn.potter@gmail.com | |
| qtwebkit | Qt WebKit | Not supported | Konstantin Tokarev | Russian Federation | annulen@yandex.ru |
Platform Maintainers
Qt supports many different platforms and operating systems. The people in this list have the final responsibility for Qt on a certain platform/operating system.
| Platform | Name | Company | Country | |
|---|---|---|---|---|
| Android | Bogdan Vatra | KDAB | Romania | bogdan@kdab.com |
| Direct2D | Louai Al-Khanji | The Qt Company | USA | louai.al-khanji@qt.io |
| EGLFS | Laszlo Agocs | The Qt Company | Norway | laszlo.agocs@qt.io |
| iOS | Tor Arne Vestbø | The Qt Company | Norway | tor.arne.vestbo@qt.io |
| LinuxFB | Laszlo Agocs | The Qt Company | Norway | laszlo.agocs@qt.io |
| Linux/X11 | Liang Qi | The Qt Company | Norway | liang.qi@qt.io |
| macOS | Tor Arne Vestbø | The Qt Company | Norway | tor.arne.vestbo@qt.io |
| QNX | James McDonnell | BlackBerry | Canada | jmcdonnell@blackberry.com |
| tvOS | Mike Krus | KDAB | UK | mike.krus@kdab.com |
| watchOS | Tor Arne Vestbø | The Qt Company | Norway | tor.arne.vestbo@qt.io |
| Wayland | David Edmundson | UK | davidedmundson@kde.org | |
| WebAssembly | Lorn Potter
Morten Sørvig |
Llornkcor
The Qt Company |
Australia
Norway |
ljpotter@llornkcor.com
morten.sorvig@qt.io |
| WebGL | Jesús Fernández | Electronic Arts | Spain | jsfdez@gmail.com |
| Windows Desktop | André de la Rocha
Oliver Wolff |
The Qt Company | Germany | andre.rocha@qt.io
oliver.wolff@qt.io |
| Windows Runtime | Oliver Wolff | The Qt Company | Germany | oliver.wolff@qt.io |
Qt Creator Maintainers
| Module | Sub-Component | Name | Company | Country | |
|---|---|---|---|---|---|
| Qt Creator | Eike Ziller | The Qt Company | Germany | eike.ziller@qt.io | |
| Code Pasting | Needs Maintainer | ||||
| Debugging & Profiling | André Pönitz | The Qt Company | Germany | andre.poenitz@qt.io | |
| Debugging & Profiling | CDB/MSVC | David Schulz | The Qt Company | Germany | david.schulz@qt.io |
| Debugging & Profiling | GDB | André Pönitz | The Qt Company | Germany | andre.poenitz@qt.io |
| Debugging & Profiling | Python | Needs Maintainer | |||
| Debugging & Profiling | QML | Ulf Hermann | The Qt Company | Germany | ulf.hermann@qt.io |
| Debugging & Profiling | Valgrind | André Pönitz | The Qt Company | Germany | andre.poenitz@qt.io |
| Documentation | Leena Miettinen | The Qt Company | Germany | riitta-leena.miettinen@qt.io | |
| FakeVim | André Pönitz | The Qt Company | Germany | andre.poenitz@qt.io | |
| Plugin Manager & Core; Find & Locator; External tools | Eike Ziller | The Qt Company | Germany | eike.ziller@qt.io | |
| Project Management & Targets | Christian Kandeler | The Qt Company | Germany | christian.kandeler@qt.io | |
| Project Management & Targets | Qbs | Christian Kandeler | The Qt Company | Germany | christian.kandeler@qt.io |
| Project Management & Targets | Autotools | Needs Maintainer | |||
| Project Management & Targets | Generic | Needs Maintainer | |||
| Project Management & Targets | QMake | Christian Kandeler | The Qt Company | Germany | christian.kandeler@qt.io |
| Project Management & Targets | CMake | Cristian Adam | The Qt Company | Germany | cristian.adam@qt.io |
| Project Management & Targets | QML | Thomas Hartmann | The Qt Company | Germany | thomas.hartmann@qt.io |
| Project Management & Targets | Remote Linux | Christian Kandeler | The Qt Company | Germany | christian.kandeler@qt.io |
| Qt Quick Designer | Thomas Hartmann | The Qt Company | Germany | thomas.hartmann@qt.io | |
| Qt Help Integration | Jaroslaw Kobus | The Qt Company | Germany | jaroslaw.kobus@qt.io | |
| Tests | Robert Löhning | The Qt Company | Germany | robert.loehning@qt.io | |
| Text Editors & Language Support | David Schulz | The Qt Company | Germany | david.schulz@qt.io | |
| Text Editors & Language Support | C/C++ | Christian Kandeler | The Qt Company | Germany | christian.kandeler@qt.io |
| Text Editors & Language Support | QML | ||||
| Version Control | Orgad Shaneh | AudioCodes | Israel | orgads@gmail.com | |
| Version Control | Bazaar | Needs Maintainer | |||
| Version Control | ClearCase | Orgad Shaneh | AudioCodes | Israel | orgads@gmail.com |
| Version Control | CVS | Needs Maintainer | |||
| Version Control | Git | Orgad Shaneh | AudioCodes | Israel | orgads@gmail.com |
| Version Control | Mercurial | Needs Maintainer | |||
| Version Control | Perforce | Needs Maintainer | |||
| Version Control | Subversion | Needs Maintainer | |||
| Welcome Mode | Thomas Hartmann | The Qt Company | Germany | thomas.hartmann@qt.io | |
| Widget Designer | Friedemann Kleint | The Qt Company | Germany | friedemann.kleint@qt.io | |
| Qt Creator Solutions | Jaroslaw Kobus | The Qt Company | Germany/Poland | jaroslaw.kobus@qt.io |
Qt 3D Studio Maintainers
| git repo | Component | Name | Company | Country | |
|---|---|---|---|---|---|
| qt3dstudio | UX | Soili Väinämö | The Qt Company | Finland | soili.vainamo@qt.io |
| qt3dstudio | Editor application code | Tomi Korpipää | The Qt Company | Finland | tomi.korpipaa@qt.io |
| qt3dstudio | Runtime 1.0 | Antti Määttä | The Qt Company | Finland | antti.maatta@qt.io |
| qt3dstudio | Installer and Viewer app | Miikka Heikkinen | The Qt Company | Finland | miikka.heikkinen@qt.io |
| qt3d-runtime | Runtime 2.0 | Laszlo Agocs | The Qt Company | Norway | laszlo.agocs@qt.io |
Qt Installer Framework Maintainers
| Module | Component | Name | Company | Country | |
|---|---|---|---|---|---|
| Qt Installer Framework | All | Katja Marttila | The Qt Company | Finland | katja.marttila@qt.io |
Qt for Python Maintainers
| Module | Component | Name | Company | Country | |
|---|---|---|---|---|---|
| Qt for Python | PySide, Build System, Tooling | Cristián Maureira-Fredes | The Qt Company | Germany | cristian.maureira-fredes@qt.io |
| Qt for Python | Shiboken, Documentation | Friedemann Kleint | The Qt Company | Germany | friedemann.kleint@qt.io |
| Qt for Python | All | Christian Tismer | Germany | tismer@stackless.com | |
| Qt for Python | All | Alexandru Croitor | The Qt Company | Germany | alexandru.croitor@qt.io |
CI Maintainers
| Area | Name | Company | Country | |
|---|---|---|---|---|
| Coin | Toni Saario | The Qt Company | Finland | toni.saario@qt.io |
| HW/Virtualization | Tony Sarajärvi | The Qt Company | Finland | tony.sarajarvi@qt.io |
| Gerrit | Gerrit Admin Team | The Qt Company | gerrit-admin@qt-project.org | |
| Jira | Jira Admin Team | The Qt Company | Jira-admin@qt-project.org |