If you have mad geek skills, you can put them to use helping New York businesses affected by Hurricane Sandy get their technology back up and running. NY Tech Meetup and New Work City are organizing IT volunteers.
Fill out this application if you're interested. Organizers will get in touch with you once they have more information. Of course there are certainly other ways you can help, the easiest of which is probably texting REDCROSS to 90999 to donate $10. [NYTM]