Egg Box - No, it isn't software exactly. But it is a great example of a design that works well at revealing the beauty and nature of the content to the user rather than hiding it, which is what UX design ought to do more.
Inspiration graphique #5 : 25 packagings originaux et innovants à découvrir
This package gives a fresh take on the way eggs are packaged. I have never seen anything but an average carton for eggs. This captivates on that with a unique take. Simple. Cost effective. And beautiful.