Red Hat Enterprise Desktop
Used by 4 peopleredhat.com ↗

“I added a desktop running Red Hat in 1996.”
Clay Shirky Interview, Writer, teacher (NYU) · via Uses This 
“I personally prefer Redhat/rpm-based distributions for personal stuff.”
Andy Bakun Interview, UNIX systems administrator · via Uses This 
“I ran Red Hat Linux for about seven years before switching to the Mac.”
Matt Might Interview, CS Professor (University of Utah) · via Uses This