This page lists the C++ APIs in Qt. The 所有模块 page contains a list of all Qt modules.
| QAxContainer | 用于访问 ActiveX 控件和 COM 对象的仅 Windows 扩展模块 | 
| QAxServer | 用于将标准 Qt 二进制转换成 COM 服务器的仅 Windows 静态库模块。 | 
| Qt3DAnimation | Qt 3D Animation module provides a set of prebuilt elements to help you get started with Qt 3D | 
| Qt3DCore | Qt 3D module contains functionality to support near-realtime simulation systems | 
| Qt3DExtras | Qt 3D Extras module provides a set of prebuilt elements to help you get started with Qt 3D | 
| Qt3DInput | Qt 3D Input module provides classes for handling user input in applications using Qt3D | 
| Qt3DLogic | Qt 3D Logic module enables synchronizing frames with the Qt 3D backend | 
| Qt3DRender | Qt 3D Render module contains functionality to support 2D and 3D rendering using Qt 3D | 
| Qt3DScene2D | Qt 3D Scene2D module provides a way to render Quick2 qml content to a Qt 3D texture | 
| QtAndroidExtras | Qt Android Extras module contains additional functionality for development on Android | 
| QtBluetooth | Enables basic Bluetooth operations like scanning for devices and connecting them | 
| Qt Charts | C++ classes for the Qt Charts API | 
| QtConcurrent | Qt Concurrent module contains functionality to support concurrent execution of program code | 
| QtCore | 提供核心非 GUI 功能 | 
| QtDBus | Qt D-Bus module is a Unix-only library that you can use to perform Inter-Process Communication using the D-Bus protocol | 
| QtDataVisualization | C++ classes for the Qt Data Visualization API | 
| QtDesigner | Provides classes to create your own custom widget plugins for Qt Designer and classes to access Qt Designer components | 
| QtGui | Qt GUI module provides the basic enablers for graphical applications written with Qt | 
| QtGamepad | Provides C++ classes for using gamepads | 
| QtHelp | Provides classes for integrating online documentation in applications | 
| QtLocation | Provides C++ interfaces to retrieve location and navigational information | 
| QtMacExtras | Provides classes and functions specific to macOS and iOS operating systems | 
| QtMultimedia | Qt Multimedia module provides audio, video, radio and camera functionality | 
| QtNfc | An API for accessing NFC Forum Tags | 
| QtNetworkAuth | Provides classes for network authorization support (OAuth) | 
| QtNetwork | 提供使网络编程更容易且可移植的类 | 
| QtOpenGL | Qt OpenGL module offers classes that make it easy to use OpenGL in Qt applications | 
| QtPlatformHeaders | Qt Platform Headers module offers header-only inline classes that encapsulate platform-specific information that is tied to a given runtime configuration of a platform plugin | 
| QtPositioning | Positioning module provides positioning information via QML and C++ interfaces | 
| QtPrintSupport | Qt PrintSupport module provides classes to make printing easier and portable | 
| QtPurchasing | Provides C++ classes for in-app purchasing | 
| QtQml | C++ API provided by the Qt QML module | 
| QtQuick | Qt Quick module provides classes for embedding Qt Quick in Qt/C++ applications | 
| QtQuickControls2 | Provides classes for setting up the controls from C++ | 
| QtQuickWidgets | C++ API provided by the Qt Quick Widgets module | 
| QtRemoteObjects | Qt Remote Objects module provides an easy to use mechanism for sharing a QObject (Properties/Signals/Slots) between processes | 
| QtScxml | Provides classes to create and use state machines from SCXML files | 
| QtSql | Provides a driver layer, SQL API layer, and a user interface layer for SQL databases | 
| QtSvg | Qt SVG module provides functionality for handling SVG images | 
| QtScript | Qt Script module provides classes for making Qt applications scriptable | 
| QtScriptTools | Provides additional components for applications that use Qt Script | 
| QtSensors | Provides classes for reading sensor data | 
| QtSerialBus | Provides classes to read and write serial bus data | 
| QtSerialPort | List of C++ classes that enable access to a serial port | 
| QtTest | Provides classes for unit testing Qt applications and libraries | 
| QtUiTools | Provides classes to handle forms created with Qt Designer | 
| QtWaylandCompositor | Provides C++ classes for writing custom Wayland display servers | 
| QtWebChannel | List of C++ classes that provide the Qt WebChannel functionality | 
| QtWebEngine | Exposes C++ functionality to Qt Quick | 
| QtWebEngineCore | 提供由 QtWebEngine 和 QtWebEngineWidgets 两者共享的公共 API | 
| QtWebEngineWidgets | 提供在基于 QWidget 应用程序中渲染 Web 内容的 C++ 类 | 
| QtWebSockets | List of C++ classes that enable WebSocket-based communication | 
| QtWebView | Provides a helper function to set up and use the WebView | 
| QtWidgets | Qt Widgets module extends Qt GUI with C++ widget functionality | 
| QtWinExtras | Provides classes and functions for using some Windows APIs in a Qt way | 
| QtX11Extras | Provides classes for developing for the X11 platform | 
| QtXml | Qt XML module provides C++ implementations of the SAX and DOM standards for XML | 
| QtXmlPatterns | Qt XML Patterns module provides support for XPath, XQuery, XSLT and XML Schema validation |