Justin Wedes (@justinwedes) has set up #SandyVolunteer and in particular the sites https://lowereastside.recovers.org/ and https://redhook.recovers.org/ to help coordinate responses in those communities. Please check out these sites and if you are in a position to do so, volunteer.

http://www.nytechresponds.org/2012/10/sandyvolunteer-recoversorg.html