This map is incredibly user friendly and helpful for those with minimal internet knowledge or access. On the top right corner of this site, there is a section for volunteering opportunities. It's a national program so it has a very wide range for assistance.
Aunt Bertha is more than just food. It is a site that provides all basic needs and allows folks to choose how they would like to contribute. Cool site- lots of info! Takes a bit of time to sort through, but provides extensive options based off someone's zip code.