DECwindows is provided on ULTRIX-32 for both VAX and MIPS.

DECwindows/XUI on Ultrix 4.0 VAX	DECwindows/XUI on Ultrix 4.5 VAX
DECwindows/Motif on Ultrix 4.5 VAX	DECwindows/Motif on Ultrix 4.5 MIPS
DECwindows/Motif on OpenVMS 7.3/VAX