Although of course the Library does not endorse any particular charity, here is a list, put together by ABC News, of some established relief organizations doing work in the aftermath of the storm.
CNN has posted other ways that individuals can help, by volunteering or making a donation.
The Huffington Post offers tips on donating in smart, effective ways.
A crisis like Hurricane Sandy brings out the best in human nature, and scam artists all too often take advantage of people's charitable impulses. The Better Business Bureau reminds us about fake charities that may contact you in the wake of a disaster.