The Importance of the GUI in Cross Platform Development  The
fragmentation of development energy into too many GUI toolkits
is one of the most serious problems facing the Linux community
today.  OSF/Motif is a set of commercial libraries and widgets
built on top of X Toolkit Intrinsics (Xt) which in turn is built
on top of Xlib, the lowest layer of X. Motif, in my opinion, is
just adequate. Creating applications with Motif is tedious, and
from the user's point of view Motif is also just passable,
nothing to get excited about. Unfortunately, it is Motif, rather
than something technically excellent like Fresco, that the
commercial UNIX vendors have declared the official UNIX GUI
standard (along with the Common Desktop Environment, CDE, which
is built upon Motif) under the auspices of the Open Group.
However, just being declared a standard doesn't make it so. Many
people dislike the mediocre quality of Motif and use other
solutions for programming X applications. And since Motif is not
free, it is not very wide