Encyclopaedia Judaica, 2d ed. 2007. Online with login
Encyclopedia of Jews in the Islamic World. 2010- . Online with login
Sefaria full texts of the Tanakh, Mishnah, Talmud, etc.
My Jewish Learning extensive general information website
The Oxford Dictionary of the Jewish Religion, 2011. Online with login
Katz Center for Advanced Judaic Studies -YouTube Channel, University of Pennsylvania
Let's Talk Religion - Filip Holm