Here are a few key links from this section:

Access NYC
https://a858-ihss.nyc.gov/
Find out what benefits you’re eligible for and how to apply.

Food Stamps Application www.otda.state.ny.us/otda/fs/fs_qa.htm#how

Food Stamp Offices in New York City www.nyc.gov/html/hra/downloads/pdf/food_stamp_offices.pdf

Medicaid (and other health insurance programs)
www.nyc.gov/html/hra/html/medical_insurance/medicaid.shtml

Section 8 Info from New York City http://www.nyc.gov/html/nycha/html/assistance/app_for_pubhsg.shtml