When I see screenshots with window decorators like that I always wonder if there's someone actually using an ancient computer or if the screenshots are just really really old. I tend to guess it's the latter.

i stick with it because i haven't found a window-manager that is better than that. i tell you, there are dozens (yes dozens !) of us.

this is how it looks for me: https://imgur.com/a/OXGVCsK

There is also NsCDE: https://github.com/NsCDE/NsCDE