Sakai Design
It has been said that we are defined by our tools. In other words, if the tools you have available cannot do what you want, you must instead work on things they can do, unless you happen to be software developer who can create your own tools.
Happily, Sakai is a collection of many tools that have been created over the past decade by members of the Sakai consortium. Sakai has a strong developer community that is constantly trying out and providing feedback about the usability and effectiveness of these tools. When problems get reported, the members vote and set priorities according to which bugs get fixed and new tools are developed.
Thus, instead of being defined by the tools of a single vendor, the Sakai community has enormous talent through which it can brainstorm, design, develop, implement, and continually improve new tools.
As a designer, I have thought a lot about how to work and think most productively with Sakai. As I see them, the issues are:

