This is a list of functional groups of Qt classes. A class can appear in more than one functional group.
Codecs
Codec support in Qt.
Container Classes
Qt's template-based container classes.
Event Classes
Classes used to create and handle events.
Help System
Classes used to provide online-help for applications.
Input/Output and Networking
Classes providing file input and output along with directory and network handling.
Network Programming API
Classes for Network Programming
Non-GUI Classes
Collection classes such as list, queue, stack and string, along with other classes that can be used without needing QApplication.
Painting Classes
Classes that provide support for painting.
Plugin Classes
Plugin related classes.
Printer and Printing APIs
Classes for producing printed output
Qt for Embedded Linux Classes
Classes that are specific to Qt for Embedded Linux.
Rendering in 3D
Classes that provide support for rendering in 3D.