Below are the links for federal and state tax forms:

Federal IRS – irs.gov/forms-instructions
MA Department of Revenue – mass.gov/topics/taxes
RI Division of Taxation – tax.ri.gov/forms

The IRS Volunteer Income Tax Assistance (VITA) and the Tax Counseling for the
Elderly (TCE) Programs offer free tax help for taxpayers who qualify at thousands of sites across the country.
Find a location and more information: irs.gov/individuals/irs-free-tax-return-preparation-programs

Also, for federal forms from the IRS, you can

• View and download popular tax publications and 1040 Instructions on mobile devices as an eBook at no charge.
• Order tax products for delivery by mail
• Call Us About Forms & Pubs. Our representatives at 1-800-TAX-FORM (800-829-3676) can help you find documents on IRS.gov, and they can have forms and publications mailed to you.

source: https://www.irs.gov/forms-pubs/tax-forms-outlet-program-tfop