[ Thanks to S.Ramaswamy for this link.
“An Interview with Antony Fountain Co-author of Volume 6B:
Motif Reference Manual, 2nd Edition”
“Despite the clamor surrounding Linux and the Open Source
movement, author and leading X/Motif software developer Antony
Fountain maintains that Motif remains the quiet vanguard of
commercial software development for large-scale Unix applications.
As the native toolkit for the X Window System, a graphical Unix
programming interface, Motif continues to be supported by major
workstation vendors such as Sun, Hewlett-Packard, and SGI.”
“Houston: Where and how is Motif being used
most commonly these days?
Fountain: Motif is used throughout the
industry, but its main users are the Fortune 500 commercial
organizations and leading industrial concerns that produce
large-scale, mission-critical, industrial-strength,
internationalized, leading-edge software. It’s also used heavily by
the operating-system vendors themselves, in producing their own