Hebrewbooks.org was founded in order to preserve old American Hebrew books that are out of print and/or circulation.  Many American  Rabbis wrote seforim (Hebrew books) in the early part of the 20th century. They have long since passed away and in many instances so has their holy work.
Currently Hebrewbooks.org’s mission has expanded to include all [...]

Judah Hallevi’s Kitab al Khazari translated by Hartwig Hirschfeld – this work was originally written in Arabic.
(Kitab al-Ḥujjah wal-Dalil fi Nuṣr al-Din al-Dhalil, كتاب الحجة و الدليل في نصرة الدين الذليل (known in the Hebrew translation of Judah ibn Tibbon by the title Sefer ha-Kuzari)
A classic of  Medieval Jewish philosophy,  set in a legendary (but historical) central Asian kingdom.
Framed [...]

The Guide for the Perplexed (Hebrew: מורה נבוכים, translit.  Moreh Nevuchim,  Arabic: ‎dalālatul ḥā’irīn دلالة الحائرين)  is one of  the major works of  Rabbi Moshe ben Maimon, better known as Maimonides or  Rambam.
It was written in the 12th century in the form of a three-volume letter to his student,  Rabbi Joseph ben Judah of  Ceuta, the son of  Rabbi  Judah, [...]

Jewish Cal is the most comprehensive Jewish and Hebrew calendar ever produced. Here are just some of  the features included:
Holidays & events
Events: See Jewish & Israeli events and holidays in a Secular (Gregorian), Jewish or Hebrew calendar view. Includes the Sefiras Ha’omer count.
You can even add your own events such as a Yahrzeit, birthday or [...]

The Jewish Almanac is a daily dose of inspirational Torah (usually an inspirational passage from the Talmud), snippets of each day’s important (and the occasional unimportant yet interesting) events on the Jewish and civil calendar, and Yahrzeits (Memorials).
The original translations aim to be poetic and accessible: easy enough to understand after the first read yet [...]

Sacred Texts of Judaism is an anthology of Judaism’s most prominent religious works. This exciting collection brings together 35 texts of central importance to the Judaic religious tradition. Browse topics via the table of contents – or shake your iPhone/iPad/iPod to receive random wisdom from deep within the texts themselves.
All texts have been optimized for [...]

Pirkei Avot, conhecido em português como a Ética Dos Pais, é a base da ética judaica, passada de geração em geração, desde a entrega da Torá. O primeiro aplicativo judaico em português disponível em seu iPhone ou iPod touch.

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Pirkei Avot (Hebrew: פרקי אבות‎), which translates to English as Chapters of the Fathers (because of [...]

Editor’s Note: The following article is reprinted from “The Jewish Star“, published: January 7, 2010

by Michael Orbach
There have been a number of milestones in the history of making the Talmud more accessible to the common man: the first complete edition of the Talmud by Daniel Bomberg in the 16th century, the first Soncino English translation [...]

Translated by Michael L. Rodkinson
This volume contains three tracts, in order to maintain some uniformity in the size of the volumes, 1 whereas in former issues one subject required three volumes and another one volume, while in two instances each of two volumes treated of two different subjects; viz., three volumes being devoted to subject [...]

Translated by Michael L. Rodkinson
“This book contains Tract Sabbath, which discusses what can and cannot be done on the Jewish Holy day. This tract has a wealth of information on everyday Jewish life in late Classical times, including, for some reason, a great number of medical recipies. Because almost everything is done differently on the [...]

Translated by Michael L. Rodkinson
This Tract, virtually the third of the Sabbath series, treats of subjects similar to those discussed in the first two. The main point of. difference is, that most of the laws laid down in the preceding two volumes are founded on biblical behests, while those instituted in the present volume are [...]

Translated by Michael L. Rodkinson
On this, the appearance of our latest literary undertaking, we deem a few explanatory remarks necessary. The brief outline of the origin of the Talmud that follows may suggest the thought that we have departed from the usual manner of dealing with the questions here discussed, the more so since we [...]