If you haven’t already, pop on over to N2Y3 Mashup Challenge | NetSquared, a project of TechSoup.org and vote on your favorite Mashup project. There are some cool projects! You need to register/sign in to vote and there is a lot to look at, but your feedback is important!
From the project page:
The projects below all represent someone’s hope for connecting pieces of information that will move the issues they care about forward.
Find projects that interest you and give the people working on it feedback in the comments with offers to help.