The City of Rockville has complied an excellent list of community based organizations that provide free supports for local residents.
This is an amazing document!
Features a broad range of local non profits that are available to provide assistance, include:
MobileMed Clinic, Culturally diverse community centers, Help with securing a home, food, clothing, paying bills and much more.
https://www.rockvillemd.gov/ArchiveCenter/ViewFile/Item/1670