Greater Cleveland Genealogical Society
- Creates and builds interest in preserving and collecting historical and genealogical records.
- http://www.rootsweb.com/~ohgcgs/

Resource Center for Greater Cleveland History
- Contains materials covering many topics within the field of Cleveland history, with special concentrations on the history of Cleveland journalism , the industrial history of Northeast Ohio, and the built environment of the city.
- http://web.ulib.csuohio.edu/SpecColl/Gchrc.htm

Lesbian/Gay Community Service Center of Greater Cleveland
- Works toward a society free of homophobia and gender oppression. News, calendar of events, volunteer opportunities, and membership information.
- http://www.lgcsc.org/

League of Women Voters of the Cuyahoga Regional Area
- Encourages informed and active participation in government. Site includes voting guide, calendar, and membership information.
- http://www.lwvcra.org/