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Publicly launched in 5769 (2009), the Open Siddur is a volunteer-driven, non-profit, non-denominational, and non-prescriptive community project growing a vast collection of digitized Jewish prayers, liturgies, and related works (historic and contemporary, familiar and obscure), composed in every era, region, and language Jews and related Israelites have ever prayed. Our goal is to provide those working with the content of Jewish devotional practice (e.g. for those crafting prayerbooks סִדּוּרִיםsiddurim), a platform for accessing and disseminating text, tools, and resources shared under open/libre terms for creative reuse. Through this we hope to empower personal autonomy, to preserve customs, to cross-pollinate wisdom, and to foster openness and vitality in religious culture.

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Contributor Highlight

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David Seidenberg

Rabbi David Seidenberg, founder of NeoHasid.org, teaches text and music, Jewish thought and spirituality, in their own right and in relation to ecology and the environment. With smikhah (ordination) from the Jewish Theological Seminary and from Rabbi Zalman Schachter-Shalomi, he has taught at over 100 synagogues, communities, retreats and conferences across North America (and a few in Europe and Israel). Rabbi Seidenberg's teaching empowers learners to become creators of Judaism through deep study and communion with texts and tradition. Areas of specialty include Kabbalah and Ḥasidut, Talmud, davenning, evolution and cosmology, sustainability, Maimonides, Buber, and more. Rabbi Seidenberg has published widely on ecology and Judaism and is the author of Kabbalah and Ecology: God's Image in the More-Than-Human World (Cambridge University Press, 2015).

Author Spotlight

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Jessie Ethel Sampter

Jessie Sampter (March 22, 1883 – 1938) was a Jewish educator, poet, and Zionist pioneer. Born in New York City to Rudolph Sampter, a New York attorney, and Virginia Kohlberg Sampter, she contracted polio at thirteen which prevented her from leaving home. Unable to attend school her family hired tutors. Later she audited courses at Columbia University. In her twenties she joined the Unitarian Church and began writing poetry. Her poems and short stories emphasized her primary concerns: pacifism, Zionism, and social justice. Around this time, she began spending time in the home of Henrietta Szold and began to appreciate the Eastern European Jews of New York City. She moved into a settlement house on the Lower East Side, then to a Young Women's Hebrew Association. Assuming the role of Hadassah's leading educator, she produced manuals and textbooks and organized lectures and classes, training speakers and leaders for both Hadassah and other Zionist organizations like the Federation of American Zionists (then the Zionist Organization of America). She composed educational manuals with Alice Seligsberg and edited a textbook on Zionism. In 1919 she settled in Palestine where she helped organize the country's first Jewish Scout camp. Sampter developed a strong commitment to assisting Yemenite Jews, founding classes and clubs especially for Yemenite girls and women. She adopted a Yemenite orphan. At the time of her death she had established a vegetarian convalescent home at Kibbutz Givat Brenner.

פרויקט הסידור הפתוח ✍︎ the Open Siddur Project