Reboot is a nonprofit organization that seeks to “reboot” Jewish traditions, particularly for young people, through salons across the country, journals, books and films. It is based in New York City.

The Milken Archive of American Jewish Music takes as its mission to record and document 350 years of American Jewish music, both religious and secular. Neil Levin is the artistic director. The archive has offices in New York City and Santa Monica, Calif.

Mechon Hadar works to revitalize community, prayer and study among young Jews. Rabbi Elie Kaunfer is director.

Limmud NY works to promote Jewish learning and cultural celebration through an annual weekend of events in New York City. Sivie Twersky is its president.

The Institute for Jewish Spirituality uses Torah study, prayer, mindfulness meditation, yoga and spiritual direction and retreats to nurture deeper spirituality among rabbis, cantors and lay people. It is based in New York City but now has a Northern California branch. Rabbi Lisa Goldstein, a Reform rabbi, is its executive director in New York.

Gateways is a nonprofit organization that works to fight assimilation by connecting Jews to Jewish life, religion and culture. It is based in Monsey, N.Y. Its founder and director is Rabbi Mordechai Suchard.

The Foundation for Jewish Culture provides grants, awards and other opportunities to individual artists and scholars who it believes will advance Jewish culture and community. At present, the foundation does not have a staffed office.

Footsteps helps members of the ultra-Orthodox and Hasidic communities who wish to leave them make the transition to mainstream Jewish life. Lani Santo is executive director.

Edah is an organization of Modern Orthodox Jews who seek greater openness to the world than does traditional Orthodox Judaism. Edah was founded in 1997 and ceased formal operations in 2006, but its website continues to post useful contacts and information, including a lengthy list of speakers/experts and a library. Rabbi Saul J. Berman is director.