Free Software Foundation

The Free Software Foundation (FSF) is working to secure freedom for computer users by promoting the development and use of free (as in freedom) software and documentation. In addition to stewarding the GNU Project, the FSF campaigns against threats to computer user freedom like Digital Restrictions Management (DRM) and software patents. Your donation to the FSF is tax-deductible in the US.

EIN: 04-2888848.

Nonprofit transparency: The FSF is a US 501(c)(3) public charity and files an annual IRS Form 990. Supporters can review FSF filings and financial summaries through standard nonprofit reporting sources.

Mailing address:
Free Software Foundation
31 Milk Street, #960789
Boston, MA 02196
USA

For donation help, directed gifts, and wire transfer details, contact [email protected]

Everyone who donates $500 USD or more may be thanked on our social media accounts and appear on our list of ThankGNUs. To make a donation “In honor of” or “In memory of” someone, please forward your donation receipt along with the person's name to [email protected].