Benefits Check-Up
Free, useful service that lists federal and state assistance programs for older Americans. It was the answer to address the problem of older adults being eligible for benefits and yet not utilizing them. Millions of older Americans may benefit from public programs that offer such things as health coverage,  supplemental income and utility bill assistance.

Provides updated lists of patient assistance program directory

Needy Meds
Similar format to RXAssist in that the site provides a catalog of available programs listed according to drug name and manufacturer