I remember when Gnome and KDE were first emerging. They were both too slow and wonky for me. Somebody suggested WindowMaker and I really liked it. At this time, I had no knowledge of NeXT or GNUStep. It was some years later after OS X emerged and I started learning Cocoa that I learned of all this history and discovered that WindowMaker was also connected to this universe and it really sunk in just how advanced they were for the time.

I'm still saddened that GNUStep never went anywhere. I still find GTK/Gnome/Qt/KDE wonky for a lot of basic things like copy-and-paste and drag-and-drop.

My wildest dreams hope to see a re-emergence of something like GNUStep, but this time be driven by all the new interest in Swift.