Introducing FOSS Factory — a Bounty System for GNU Hurd Work
gnu.org
gnu.org
One summary: http://en.wikipedia.org/wiki/Overjustification_effect
Yes, there are some great projects but so much more could be done if people made a concerted effort.
It's just that if things work and look nice, nobody cares about their internal architecture. For most users, kernel is just a black box with pretty obscure meaning - if they know that there's such thing as kernel.