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Free Software Foundation

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How to contact the Free Software Foundation.

Free Software Foundation
51 Franklin Street, Fifth Floor
Boston, MA 02110-1301
USA

Telephone: +1-617-542-5942 (Individual phone extensions at the FSF)

Fax: +1-617-542-2652

The FSF is a charity with a worldwide mission to advance software freedom — learn about our history and work.

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