The Feinberg E-Collection of the Asher Library of Spertus Institute
Through this site, you can become a member of the library at the Spertus Institute, then obtain access to their e-collection. This collection includes the Encyclopedia Judaica, the Bar Ilan Responsa Project, Soncino Classics, Book of Legends, DBS Torah CD-ROM Library, Bible Works, and an index to Jewish periodicals. By joining this library, you have access to hundreds of dollars worth of Jewish textual and educational CD-ROMs. This includes all of Tanakh in multiple languages and English translations, Biblical commentaries, both Talmuds, halachic materials and Rambam.

The Jewish Virtual Library
This virtual Jewish encyclopedia offers a wealth of information. The library divides its content into the following areas: History, Women, The Holocaust, Travel, Israel & The States, References, Judaic Treasures of the Library of Congress, Vital Statistics, Maps, Politics, Biography, Israel and Religion.