Sefaria is an online open source,[1]free content, digital library of Jewish texts. It was founded in 2011 by former Google project manager Brett Lockspeiser and journalist-author Joshua Foer.[2][3][4] Promoted as a "living library of Jewish texts", Sefaria relies partially upon volunteers to add texts and translations.[5][6] The site provides cross-references and interconnections between various texts.[3] Hebrew, Aramaic, and Judeo-Arabic texts are provided under a free license in the original and in translation. The website also provides a tool for creating source sheets.[7]
Sefaria is maintained by an eponymous non-profit organization[8][9] which employs 18 engineers.[10] According to their chief data officer Lev Israel in 2019, the service received 250,000 unique visitors monthly.[11]