All Qt Documentation

A list of all documentation on this site.

Archives and snapshots

  • Archives

    Archive for documentation on previous Qt releases and discontinued products.

  • Snapshots

    Documentation snapshots generated from Qt source repositories.

Qt modules

  • Qt Core

    Core non-graphical classes used by other modules.

  • Qt D-Bus

    Classes for inter-process communication over the D-Bus protocol.

  • Qt GUI

    Base classes for graphical user interfaces.

  • Qt Network

    Classes to make network programming easier and more portable

  • Qt QML

    Classes for QML and JavaScript languages.

  • Qt Quick

    A declarative framework for building dynamic applications with custom user interfaces.

  • Qt Quick Controls

    Lightweight QML types for creating performant user interfaces for desktop, embedded, and mobile devices.

  • Qt Quick Dialogs

    Types for creating and interacting with system dialogs in a Qt Quick application.

  • Qt Quick Layouts

    Layouts for arranging Qt Quick items in the user interface.

  • Qt Quick Test

    A unit test framework for QML applications, where test cases are written as JavaScript functions.

  • Qt Test

    Classes for unit testing Qt applications and libraries.

  • Qt Widgets

    Classes to extend Qt GUI with C++ widgets.

  • Active Qt

    Classes for applications that use ActiveX and Component Object Model (COM).

  • Qt 3D

    Functionality for near-realtime simulation systems with support for 2D and 3D rendering.

  • Qt 5 Core Compatibility APIs

    Qt Core APIs that were in Qt 5 but not Qt 6.

  • Qt Bluetooth

    Provides access to Bluetooth hardware.

  • Qt Charts

    UI Components for displaying visually pleasing charts, driven by static or dynamic data models.

  • Qt Concurrent

    Classes for writing multi-threaded programs without using low-level threading primitives.

  • Qt Data Visualization

    UI Components for creating stunning 3D data visualizations.

  • Qt Help

    Classes for integrating documentation into applications.

  • Qt Image Formats

    Plugins for additional image formats: TIFF, MNG, TGA, WBMP.

  • Qt Lottie Animation

    A QML API for rendering graphics and animations in JSON format, exported by the Bodymovin plugin for Adobe® After Effects.

  • Qt OpenGL

    C++ classes that make it easy to use OpenGL in Qt applications.

  • Qt Multimedia

    A rich set of QML types and C++ classes to handle multimedia content. Also includes APIs for accessing camera hardware.

  • Qt Network Authorization

    Provides support for OAuth-based authorization to online services.

  • Qt NFC

    Provides access to Near-Field communication (NFC) hardware.

  • Qt PDF

    Provides support for rendering PDF documents.

  • Qt Positioning

    Provides access to position, satellite info and area monitoring classes.

  • Qt Print Support

    Classes to make printing easier and more portable.

  • Qt Quick 3D

    Provides a high-level API for creating 3D content or UIs based on Qt Quick.

  • Qt Quick Timeline

    Enables keyframe-based animations and parameterization.

  • Qt Quick Widgets

    Provides a C++ widget class for displaying a Qt Quick user interface.

  • Qt Remote Objects

    Provides an easy to use mechanism for sharing a QObject's API (Properties/Signals/Slots) between processes or devices.

  • Qt SCXML

    Provides classes and tools for creating state machines from SCXML files and embedding them in applications.

  • Qt Sensors

    Provides access to sensor hardware.

  • Qt Serial Bus

    Provides access to serial industrial bus interfaces. Currently, the module supports the CAN bus and Modbus protocols.

  • Qt Serial Port

    Provides classes to interact with hardware and virtual serial ports.

  • Qt Shader Tools

    Tools for the cross-platform Qt shader pipeline, enabling the use of graphics and compute shaders in Qt Quick and other components in the Qt ecosystem.

  • Qt SQL

    Classes for database integration using SQL.

  • Qt State Machine

    Provides classes for creating and executing state graphs.

  • Qt SVG

    Classes for displaying the contents of SVG files. Supports a subset of the SVG 1.2 Tiny standard.

  • Qt UI Tools

    Classes for loading QWidget based forms created in Qt Designer dynamically, at runtime.

  • Qt Wayland Compositor

    Provides a framework to develop a Wayland compositor.

  • Qt WebChannel

    Provides access to QObject or QML objects from HTML clients for seamless integration of Qt applications with HTML/JavaScript clients.

  • Qt WebEngine

    Classes and functions for embedding web content in applications using the Chromium browser project.

  • Qt WebSockets

    Provides WebSocket communication compliant with RFC 6455.

  • Qt WebView

    Displays web content in a QML application by using APIs native to the platform, without the need to include a full web browser stack.

  • Qt Virtual Keyboard

    A framework for implementing different input methods as well as a QML virtual keyboard.

  • Qt XML

    Provides implementations of the SAX and DOM standards for XML.

  • Qt Quick TreeView

    Provides a control that can be used to show a tree model in Qt Quick.

  • Qt Quick Calendar

    Provides a set of types that can be used to build calendars in Qt Quick.

  • Qt Quick MultiEffect

    Provides a Qt Quick component for fast, animated effects.

  • Qt Digital Advertising

    Provides a light-weight API to incorporate advertisements into Qt Quick applications.

  • Qt VNC Server

    Provides an API for creating a simple VNC®-compatible server with Qt.

  • Qt Insight Tracker

    A solution to provide real customer insights on the usage of applications or devices.

References and manuals

  • Qt 6.7

    Latest version of Qt.

  • Qt 6.5

    Long-term support version.

  • Qt 6.2

    Long-term support version.

  • Qt 5.15

    Long-term support version.

  • Qt for Python 6.7

    Official Python bindings for Qt 6.7.

  • Qt for Python 6.6

    Official Python bindings for Qt 6.6.

  • Qt for Python 6.5

    Official Python bindings for Qt 6.5.

  • Qt for Python 6.2

    Official Python bindings for Qt 6 LTS.

  • Qt for Python 5.15

    Official Python bindings for Qt 5.

  • Boot to Qt 6.7

    A commercial offering that provides the Qt development framework for embedded Linux.

  • Boot to Qt 6.5

    A commercial offering that provides the Qt development framework for embedded Linux.

  • Boot to Qt 6.2

    A commercial offering that provides the Qt development framework for embedded Linux.

  • Qt 5.15 for Device Creation

    A commercial offering that provides the Qt development framework for multiple embedded platforms: embedded Linux, QNX, INTEGRITY, and VxWorks.

  • Qt Device Utilities

    Functionality for controlling settings in embedded applications.

  • Qt for MCUs

    A complete graphics framework and toolkit for GUIs on MCUs, with applications running either on bare metal or a real-time operating system.

  • Qt for Android Automotive 6.7

    Integrates the Qt Framework with Android bindings, the Qt Interface Framework, and the Android Automotive bindings.

  • Qt for Android Automotive 6.6

    Integrates the Qt Framework with Android bindings, the Qt Interface Framework, and the Android Automotive bindings.

  • Qt for Android Automotive 6.5

    Integrates the Qt Framework with Android bindings, the Qt Interface Framework, and the Android Automotive bindings.

  • Qt for Android Automotive 6.2

    Integrates the Qt Framework with Android bindings, the Qt Interface Framework, and the Android Automotive bindings.

  • Qt for Android Automotive 5.15

    Integrates the Qt Framework with Android bindings, the Qt IVI framework, and the Android Automotive bindings.

  • Qt Safe Renderer

    Provides a UI rendering component that can be used to render information in safety-critical systems.

  • Qt Application Manager

    A headless application manager daemon designed for embedded Linux systems with complex UIs.

  • Qt Interface Framework

    Provides a core framework and tools to implement middleware APIs, backends, and services.

  • Qt Creator

    A cross-platform, complete integrated development environment (IDE) for application development targeting desktop, embedded, and mobile platforms.

  • Qt Design Studio

    A UI design and development environment for creating animated UIs.

  • Qt 3D Studio

    A compositing tool for the creation of interactive 3D presentations, UIs and applications.

  • Extending Qt Creator

    A manual documenting the various ways Qt Creator can be extended in functionality.

  • Qt Designer

    A tool for designing and building graphical user interfaces with Qt Widgets.

  • Qt Linguist

    A tool for translating Qt C++ and Qt Quick applications into local languages.

  • Qt Assistant

    A tool for viewing documentation in Qt help file format.

  • Qt VS Tools

    Integration of Qt development tools into Microsoft Visual Studio.

  • GammaRay

    An introspection tool for observing and manipulating Qt applications at runtime.

  • QML Live

    A local and remote Qt Quick live reloading system.

  • Qt Installer Framework

    A set of tools and utilities to create installers for desktop platforms.

  • Build tools: CMake

    Documentation for using the CMake build tool with Qt.

  • Build tools: qmake

    Documentation for the qmake build tool.

  • Build tools: Qbs

    Documentation for the Qbs build tool.

  • QDoc Manual

    Users' manual for the documentation build tool.

  • Squish

    A professional automated GUI testing framework. Squish makes it possible to test GUI applications based on various toolkits, including Qt.

  • Coco

    A code coverage tool chain for C/C++, C# and QML.

  • Test Center

    A result server that provides a central place to store all test results.

Documentation overview

© 2024 The Qt Company. The Qt logo as well as Qt®, Qt Quick®, Built with Qt®, Boot to Qt®, Qt Quick Compiler®, Qt Enterprise®, Qt Mobile® and Qt Embedded® are registered trademarks of The Qt Company Ltd.