- Qt 5.3
- All Namespaces
- Qt 5.3.2 Reference Documentation

# All Namespaces

This is a list of the main namespaces in Qt.

Enginio | The Enginio namespace provides enums used throughout Enginio.
QAudio | The QAudio namespace contains enums used by the audio classes.
QBluetooth | The QBluetooth namespace provides classes and functions related to Bluetooth.
QDBus | The QDBus namespace contains miscellaneous identifiers used throughout the Qt D-Bus module.
QGL | The QGL namespace specifies miscellaneous identifiers used in the Qt OpenGL module.
QMediaMetaData
QMultimedia | The QMultimedia namespace contains miscellaneous identifiers used throughout the Qt Multimedia library.
QSql | The QSql namespace contains miscellaneous identifiers used throughout the Qt SQL module.
QSsl | The QSsl namespace declares enums common to all SSL classes in Qt Network.
QTest | The QTest namespace contains all the functions and declarations that are related to Qt Test.
QWebSocketProtocol | Contains constants related to the WebSocket standard.
Qt | The Qt namespace contains miscellaneous identifiers used throughout the Qt library.
QtConcurrent | The QtConcurrent namespace provides high-level APIs that make it possible to write multi-threaded programs without using low-level threading primitives.
QtMac | The QtMac namespace contains miscellaneous functionality specific to Mac OS X and iOS operating systems.