FOX is a C++ GUI toolkit that is supposed to
allow programmers to write a program once, and
compile anywhere (or so the website says, it sounds
like Java to me). FOX is a very flexible library,
it has all sorts of functions and options, and is
supposed to be fairly fast.

WWW: http://www.fox-toolkit.org/fox.html
Author: Jeroen van der Zijp <jvz@cfdrc.com>