It’s odd that you singled out Gimp as they are the only free software project I’m aware of who engaged a professional UX consultant to redesign their UI, and that must be maybe 15 years ago
Gimp is great, but it’s also the UI that I think of when I think of OSS that lacks finish. Hiring a UX consultant one time, 15 years ago, isn’t how people realize a good user experience. That’s why companies employ UI / UX engineers full time…