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Widget toolkit

In computer programming, widget toolkits (or GUI toolkits) are sets of basic building elements for graphical user interfaces. They are often implemented as a library, or application framework.

Typical Widgets

High-level widget toolkits
- Xaw, the Project Athena widget set for the X Window System
- The Abstract Windowing Toolkit is used in Java applications. It will typically use another toolkit on the selected platform in turn.
- Cocoa - used in Mac OS X (see also Aqua)
- GNUstep
- GTK used in GNOME
- MacApp Macintosh framework
- MacZoop Macintosh C++ framework
- MetaCard
- The Microsoft Foundation Classes (MFC) contain several useful widgets for the Microsoft Windows environment.
- Motif used in the Common Desktop Environment
- The Object Windows Library is sort of Borland's alternative to MFC
- The Visual Component Library (VCL) is Borland's toolkit used in its C++ Builder and Delphi products.
- Powerplant Macintosh framework
- Qt used in KDE
- Swing is Sun's replacement for AWT in newer Java versions
- SWT (Standard Widget Toolkit) is Eclipse.org's toolkit used to build Eclipse, Websphere and other products
- Tk a widget set accessed from Tcl and other high-level languages.
- WINGs WINGs Is Not GNUstep
- wxWindows abstracts toolkits across several platforms for C++ ,Python and Perl.
Low-level widget toolkits
- The Windows API used in Microsoft Windows
- The X Window System contains primitive building blocks, but they are almost always accessed using either Motif, GTK or Qt.
- The Mac OS toolbox, or Macintosh APIs, formerly located in ROM, but in "new world" Macs, on disk.

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Widget toolkit".