They aren't. Not outside the server/product realm. This thread is opened when an image of comaps and references users. Not sure why you've excluded them. And I've certainly never heard to NGinx referred to as an app. That term typically sits in under space.
How much money is coming in from corporate contributions on Linux gnome after you remove valve?
I didn't actually expect an easy answer there, but I'd bet it's almost next to nothing.
So what was wrong about my comment again?