Editing Qt (software) (section)

==== Qt essentials ====
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!style="width:12em"|Module
!Description
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| '''Qt Core'''
|The only required Qt module, containing classes used by other modules, including the meta-object system, concurrency and threading, containers, event system, plugins and I/O facilities.
|-
|'''Qt GUI'''
|The central GUI module. In Qt 5 this module now depends on [[OpenGL]], but no longer contains any widget classes.
|-
|'''Qt Widgets'''
|Contains classes for classic widget based GUI applications and the QSceneGraph classes. Was split off from '''QtGui''' in Qt 5.
|-
|'''Qt QML'''
|Module for [[QML]] and [[JavaScript]] languages.
|-
|'''Qt Quick'''
|The module for GUI applications written using QML2.
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|'''Qt Quick Controls'''
|Widget like controls for '''Qt Quick''' intended mainly for desktop applications.
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|'''Qt Quick Layouts'''
|Layouts for arranging items in '''Qt Quick'''.
|-
|'''Qt Network'''
|Network abstraction layer. Complete with support for [[Transmission Control Protocol|TCP]], [[User Datagram Protocol|UDP]], [[HTTP]], [[Transport Layer Security|TLS]], [[Secure Sockets Layer|SSL]] (in Qt 4) and [[SPDY]] (since Qt 5.3).
|-
|'''Qt Multimedia'''
|Classes for audio, video, radio and camera functionality.
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|'''Qt Multimedia Widgets'''
|The widgets from '''Qt Multimedia'''.
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|'''Qt SQL'''
|Contains classes for database integration using [[SQL]].
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|'''Qt WebEngine'''
|A new set of Qt Widget and QML webview APIs based on [[Chromium (web browser)|Chromium]].
|-
|'''Qt Test'''
|Classes for unit testing Qt applications and libraries.
|}