I would look at http://datawithoutborders.cc/ http://datawithoutborders.cc/ if you want a data science element or http://codeforamerica.org http://codeforameric

I would look at http://datawithoutborders.cc/ http://datawithoutborders.cc/ if you want a data science element or http://codeforamerica.org http://codeforamerica.org if you want a more development angle.