

MATE has been on most of my machines, except the BSD ones.
But past year or so, I have grown a fondness towards ctwm, and gradually migrated my machines to it, Linux and BSD alike.
It is not a DE, but the fact that I have to assemble my suite of software myself on my machines, makes the point of using DEs moot.
Looks like Java finally has company in the exclusive 3 billion club