Software in the Public Interest, Inc. (SPI) is a US 501(c)(3) non-profit organization domiciled in New York State formed to help other organizations create and distribute free open-source software and open-source hardware.

SPI was originally created to allow the Debian Project to accept donations.

[2] It now acts as a fiscal sponsor to many free and open source projects.

SPI has hosted Wikimedia Foundation board elections and audited the tally as a neutral third party from 2007 to 2011.

[3][4] The 44 currently associated projects of SPI are:[5] Its current board is composed of:[7] This article about an organization in the United States is a stub.