XForms (toolkit)

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XForms toolkit
Developer(s)XForms team
Stable release
1.2.4 / June 28, 2014 (2014-06-28)
Written inC
Operating systemUnix-like
TypeWidget toolkit

XForms is a GUI toolkit based on Xlib for the X Window System. It features a rich set of objects, such as buttons, scrollbars, and menus etc. In addition, the library is extensible and new objects can easily be created and added to the library. It also includes the fdesign tool as a graphical user interface builder.

Distributed under the GNU Lesser General Public License,[1] XForms is free software.

XForms was based on the Forms Library by Mark Overmars, converted from IRIS GL (a precursor to OpenGL that also included calls to create windows and manage events) to X11. A similar conversion was used to make the first versions of FLTK, so all these toolkits are distantly related.

The toolkit was originally used by the Xfce desktop environment before the switch to the GTK toolkit in 1999.


  1. ^ "README (from project source code)". It is licensed under the GNU LGPL (Lesser General Public License) version 2.1. See the file COPYING.LIB for the gory details.

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