Massachusetts Correctional Legal Services, Inc.
- Provides civil legal services to people in prison and jail, but does not provide criminal defense services. Focuses on four issues: health and mental health care, guard-on-prisoner violence, physical conditions of confinement, and segregation and isolatio
- http://www.mcls.net

Center for Public Representation
- Public interest law firm, with offices in Northampton and Newton, seeking to improve the quality of lives of people with disabilities through the enforcement of their legal rights.
- http://www.centerforpublicrep.org/

Gay & Lesbian Advocates & Defenders
- Legal rights organization for lesbians, gay men, bisexuals and people living with HIV. Serving New England from headquarters in Boston.
- http://www.glad.org/