SunOS 4.0.3 desktop from 1989. I will take this over modern stuff any day. Sun was rock solid with Unix and hardware stuff until Oracle decided to ruin that iconic brand.
@shanecelis@nixCraft, yeah, I think it’s the absence of colour, the dithering, and the fact that there’s only so many ways to design a windowing GUI on a monochrome low-res screen. (: