Classes used to define materials in the Qt Quick Scene Graph

Tools to help integrate Qt applications with ActiveX components

Provides an easy way for creating animated GUIs

How to maximize resource usage by implicit data sharing

An overview of JSON support in Qt

How to create and execute state graphs

Classes that provide support for painting

How to use Rich Text Processing APIs

Classes for Network Programming

Classes for producing printed output

Integrating your Qt application with your favorite desktop

Using the model/view framework

How to use the Qt painting system

Lots of examples of how to use different kinds of widgets

Classes that support XML, via, for example DOM and SAX

Examples for the Qt Charts

If you know what kind of class you want (GUI, painting, I.O, etc), look here

List of examples demonstrating the SQL use cases

Functions ensuring communication between accessible applications and accessibility tools

Classes for working with string data

Inter-Process Communication with Qt

Using Qt's touch input capability

Information about Qt's support for internationalization and multiple languages

How-To and Best Practice Guides

Examples for the Qt Gamepad module

Examples for the Qt Location module

Examples for the Qt Mac Extras module

Example projects demonstrating the functionality in Qt Network Authorization

A window adding convenience for positioning items

How to create a menu bar

Provides custom styling for Buttons and UI Controls

How to add custom styles for views

A Collection of examples for Qt Quick Dialogs, written in QML

A collection of examples for Qt Quick Controls 2

Examples for the Qt SCXML module

Examples for the Qt SerialBus module

Using Qt Assistant as a help viewer for Qt applications

Using Qt Designer to build your UI

Using Qt Linguist to internationalize your Qt application

Examples for the Qt Wayland Compositor module

Examples demonstrating the Qt WebEngine usage

Examples demonstrating the Qt WebEngine Widgets usage

Examples for the Qt WebView module

Examples in the Qt XML Patterns module

C++ API provided by the Qt Quick Widgets module

Qt 3D Animation modules provides a set of prebuilt elements to help you get started with Qt 3D

Qt 3D Input module provides classes for handling user input in applications using Qt3D

Qt 3D Render module contains functionality to support 2D and 3D rendering using Qt 3D

Module is a Windows-only extension for accessing ActiveX controls and COM objects

Qt Android Extras module contains additional functionality for development on Android

Provides core non-GUI functionality

Qt GUI module provides the basic enablers for graphical applications written with Qt

Qt OpenGL module offers classes that make it easy to use OpenGL in Qt applications

Qt PrintSupport module provides classes to make printing easier and portable

Provides classes for unit testing Qt applications and libraries

Qt XML module provides C++ implementations of the SAX and DOM standards for XML

Enables basic Bluetooth operations like scanning for devices and connecting them

C++ classes for the Qt Data Visualization API

Qt Quick module provides classes for embedding Qt Quick in Qt/C++ applications

Provides C++ interfaces to retrieve location and navigational information

Provides classes and functions specific to macOS and iOS operating systems

Classes provided by the Qt Multimedia Widgets module

Provides C++ classes for in-app purchasing

Qt Remote Objects module provides an easy to use mechanism for sharing a QObject (Properties/Signals/Slots) between processes

Provides additional components for applications that use Qt Script

Provides classes for reading sensor data

List of C++ classes that enable access to a serial port

Qt SVG module provides functionality for handling SVG images

Provides classes to create your own custom widget plugins for Qt Designer and classes to access Qt Designer components

Provides classes to implement input methods for virtual keyboards

List of C++ classes that provide the Qt WebChannel functionality

Exposes C++ functionality to Qt Quick

List of C++ classes that enable WebSocket-based communication

Provides classes and functions for using some Windows APIs in a Qt way

Qt XML Patterns module provides support for XPath, XQuery, XSLT and XML Schema validation

FolderListModel provides a model of the contents of a file system folder

Provides QML experimental types for data models

WavefrontMesh provides a mesh based on a Wavefront .obj file

Provides QML types for standard file, color picker and message dialogs

Provides settings for Qt Virtual Keyboard

Provides QML types for window management

Provides core Qt 3D QML types

Provides Qt 3D QML types for the extras module

Provides QML types to synchronize frames with the 3D backend

Provides Qt 3D QML types for the scene2d module

QML types for the Qt Charts API

Provides QML types for accessing NFC Forum Tags

List of QML types provided by the Qt QML module

Provides QML types for particle effects

Provides graphical QML types

Provides QML types for using gamepad hardware

Provides QML types for mapping and location information

Provides QML types for 3D positional audio playback and content management

Provides QML types for in-app purchasing

Provides QML types for Qt Quick Controls styles

Provides QML types for user interfaces (Qt Quick Controls 2)

Enables the use of SCXML state machines with QML

Provides QML types for an input framework and a reference keyboard front end

List of QML types that provide WebChannel functionality

Provides QML types for WebSocket-based communication

Enables the use of Windows features with QML