This post raises many questions - what really is Learning Design about. I suppose that the fact that it's a recent research area doesn't present yet a consolidated approach. A simple definition, at the practice level, can resume it to lesson/learning planning. And every teacher does it already! But you can plan learning sequences in different ways, you can focus on context and scenarios, you can plan according to certain templates, like the LAM's Sequences -
http://www.lamscommunity.org/lamscentral/, you can contextualize in narratives/stories etc. Learning Design seems to have a broad scope, avoiding frontiers, since so much is happening in the learning technological environment. I've been exploring the Learning Design Grid -
http://www.ld-grid.org/home.
As for free tools and open resources, I think there are already so many available that it's a matter of selecting and experimenting. I don't find Cloudworks particularly interesting, I've been using many media to produce learning artifacts. One of the most extensive repositories of tools I started using -
http://cooltoolsforschools.wikispaces.com/, managed by a lady from New Zealand. At present, I subscribe many newsletters, blogs and
scoop.it, and I get updated information on new tools almost every day.