WxWidgets (initially wxWindows 'w' is for Windows, and 'x' is for X Window System) was started in 1992 by Julian Smart at the University of Edinburgh. wxWidgets is used in many open source projects, and by individual developers.

It is also used in the public sector and education by, for example, Dartmouth Medical School, National Human Genome Research Institute, National Center for Biotechnology Information, and many others. WxWidgets is used across many industry sectors, most notably by Xerox, Advanced Micro Devices (AMD), Lockheed Martin, NASA and the Center for Naval Analyses. A version for embedded systems is under development. WxWidgets covers systems such as Microsoft Windows, Mac OS ( Carbon and Cocoa), iOS ( Cocoa Touch), Linux/ Unix ( X11, Motif, and GTK), OpenVMS, OS/2 and AmigaOS. It is free and open source software, distributed under the terms of the wxWidgets Licence, which satisfies those who wish to produce for GPL and proprietary software. The project was renamed wxWidgets in 2004 in response to a trademark claim by Microsoft UK. The project was started under the name wxWindows in 1992 by Julian Smart at the University of Edinburgh. wxWidgets supports a comprehensive range of popular operating systems and graphical libraries, both proprietary and free, and is widely deployed in prominent organizations (see text). A wide choice of compilers and other tools to use with wxWidgets facilitates development of sophisticated applications.

wxWidgets enables a program's GUI code to compile and run on several computer platforms with minimal or no code changes. WxWidgets (formerly wxWindows) is a widget toolkit and tools library for creating graphical user interfaces (GUIs) for cross-platform applications.

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