Every other person at DrupalCon heard a word or two about Coordinating Community Projects or the Drupal Union idea and pointed us to:
Geeks for Good
http://www.geekforgood.net/
a project of Civic Actions, http://civicactions.com
As far as i can understand it is a straight list of postings, and i don't even see a search box as of 2011 March 15.
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