SNAP: Supplemental Nutrition Assistance Program
SNAP is a federal assistance program that helps families buy healthy foods from stores and markets. 
SNAP Website 

TANF: Temporary Assistance for Needy Families
TANF is a federal assistance program that provides aid in the form of cash payments on a monthly basis with the ultimate goal of self-sufficiency
TANF Website (federal)
TANF Website (state)
800-249-2007 or 877-382-2363.

Project Bread 
Project Bread is a 501(c)(3) nonprofit that connects families with resources and programs like SNAP, TANF, and WIC, among other roles thoroughout Massachusetts. 
Project Bread Website

Women, Infants, & Children Nutrition Program (WIC)
WIC is a Massachusetts nutrition program that provides healthy foods, nutrition education, breastfeeding support, and referrals to healthcare and other services. 
WIC Application 
WIC Website