Qt essentials ModuleDescription Qt CoreThe 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 GUIThe central GUI module. In Qt 5 this module now depends on OpenGL, but no longer contains any widget classes.Qt WidgetsContains classes for classic widget based GUI applications and the QSceneGraph classes. Was split off from QtGui in Qt 5.Qt QMLModule for QML and JavaScript languages.Qt QuickThe module for GUI applications written using QML2.Qt Quick ControlsWidget like controls for Qt Quick intended mainly for desktop applications.Qt Quick LayoutsLayouts for arranging items in Qt Quick.Qt NetworkNetwork abstraction layer. Complete with support for TCP, UDP, HTTP, TLS, SSL (in Qt 4) and SPDY (since Qt 5.3).Qt MultimediaClasses for audio, video, radio and camera functionality.Qt Multimedia WidgetsThe widgets from Qt Multimedia.Qt SQLContains classes for database integration using SQL.Qt WebEngineA new set of Qt Widget and QML webview APIs based on Chromium.Qt TestClasses for unit testing Qt applications and libraries.
Qt essentials ModuleDescription Qt CoreThe 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 facilitiesQt GUIThe central GUI module In Qt 5 this module now depends on OpenGL but no longer contains any widget classesQt WidgetsContains classes for classic widget based GUI applications and the QSceneGraph classes Was split off from QtGui in Qt 5Qt QMLModule for QML and JavaScript languagesQt QuickThe module for GUI applications written using QML2Qt Quick ControlsWidget like controls for Qt Quick intended mainly for desktop applicationsQt Quick LayoutsLayouts for arranging items in Qt QuickQt NetworkNetwork abstraction layer Complete with support for TCP UDP HTTP TLS SSL (in Qt 4) and SPDY (since Qt 53)Qt MultimediaClasses for audio video radio and camera functionalityQt Multimedia WidgetsThe widgets from Qt MultimediaQt SQLContains classes for database integration using SQLQt WebEngineA new set of Qt Widget and QML webview APIs based on ChromiumQt TestClasses for unit testing Qt applications and libraries