A #Linux-distro-a-day keeps the problems away and you don’t have to pay.
independent GNU/Linux distribution project which was created from scratch with the intention of providing a reliable operating system with maximum respect for the user by including entirely free software
It has a very simple packaging system that allows installing, removing, upgrading and creating packages. Dragora can be an ideal distribution for those who wish to learn how a distribution works on the inside. DistroWatch.com: Dragora GNU/Linux-Libre