wxWidgets can be built either as a single large library (this is called a monolithic build) or as several smaller libraries (multilib build).
Multilib build is the default.
wxWidgets library is divided into libraries briefly described below. This diagram shows the dependencies between them:
Please note that arrows indicate the "depends from" relation and that all blue libraries depend on the wxBase library (i.e. they are non-GUI libraries), and all green libraries depend on the wxCore library (i.e. they are GUI libraries).
Advanced or rarely used GUI classes:
This contains the Advanced User Interface docking library.
Every wxWidgets application must link against this library. It contains mandatory classes that any wxWidgets code depends on (e.g. wxString) and portability classes that abstract differences between platforms. wxBase can be used to develop console mode applications, it does not require any GUI libraries or running X Window System on Unix.
Basic GUI classes such as GDI classes or controls are in this library. All wxWidgets GUI applications must link against this library, only console mode applications don't.
This library contains wxGLCanvas class for integrating OpenGL library with wxWidgets. Unlike all others, this library is not part of the monolithic library, it is always built as separate library.
Miscellaneous classes related to multimedia. Currently this library only contains wxMediaCtrl but more classes will be added in the future.
Classes for network access:
This contains the wxPropertyGrid control.
This is the library containing extra classes for quality assurance. Currently it only contains wxDebugReport and related classes, but more will be added to it in the future.
This contains the Ribbon User Interface components library.
This contains generic rich text control functionality.
STC (Styled Text Control) is a wrapper around Scintilla, a syntax-highlighting text editor. See http://www.scintilla.org/ for more info about Scintilla.
This library contains simple classes for parsing XML documents.
This library contains wxXmlResource class that provides access to XML resource files in XRC format.