Mordecai Kaplan
Mordecai Kaplan

Mordecai Menahem Kaplan (June 11, 1881 – November 8, 1983), was a rabbi, essayist and Jewish educator and the co-founder of Reconstructionist Judaism along with his son-in-law Ira Eisenstein.

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The Open Siddur Project is a volunteer-driven, non-profit, non-denominational, non-prescriptive, gratis & libré Open Access archive of contemplative praxes, liturgical readings, and Jewish prayer literature (historic and contemporary, familiar and obscure) composed in every era, region, and language Jews have ever prayed. Our goal is to provide a platform for sharing open-source resources, tools, and content for individuals and communities crafting their own prayerbook (siddur). Through this we hope to empower personal autonomy, preserve customs, and foster creativity in religious culture. If you like what you've found here, please help keep our project alive and online with your financial contribution.

ויהי נעם אדני אלהינו עלינו ומעשה ידינו כוננה עלינו ומעשה ידינו כוננהו "May the pleasantness of אדֹני our elo’ah be upon us; may our handiwork be established for us — our handiwork, may it be established."–Psalms 90:17


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