Emacs, Nedit, Vim, the Data Display Debugger, XMPI, snd, IBM OpenDX, Viewmol, xmakemol, Xephem, Xpdf, plan, Open Inventor, GRASS GIS, Grid Engine, the Elk Scheme interpreter (and CMU Common Lisp, as well), and Clustal all have Motif UIs. You may not need many of them on a daily basis, but I wouldn't say that's "a hard time finding any program..."
Cthulhux: try changing the Qt theme, and look at the alternatives: One of them is "CDE"
I've heard of a few things that CDE/Motif did that are similar to the latest "standards"/styles.
Also, for anyone who dislikes the default Motif look, there are a lot of changes you can make (via X resources); my own favorites include
So for me, it probably looks nothing like it looks for you. And there are a whole lot more changes that can be made, too.