Of course [1]! How would they give consistent, cleanly designed UI. I find the UX/UI much more cohesive than Windows' where some apps look like flat boxes (metro UI), others look like classic Windows.
You thought open-source means there'd be no design and they'd only jam code, while designing and architecturing is only for proprietary projects within ivy towered castles?
You thought open-source means there'd be no design and they'd only jam code, while designing and architecturing is only for proprietary projects within ivy towered castles?
[1]: https://developer.gnome.org/hig/