Sefaria
Free online library of Jewish texts including the Torah, Talmud, Zohar, and Kabbalistic works with translations and commentary.
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Kabbalah (Stanford Encyclopedia of Philosophy)
Stanford Encyclopedia entry on the Jewish mystical tradition of Kabbalah, covering its history, key concepts, and major texts.
Sefer Yetzirah (Book of Formation)
Aryeh Kaplan (trans.)
Translation and commentary on the earliest extant Kabbalistic text, describing creation through the Hebrew letters and sefirot.
The Zohar: Pritzker Edition
Daniel C. Matt
Definitive English translation of the central text of Kabbalah, a 13th-century mystical commentary on the Torah exploring the hidden dimensions of reality.
Kabbalah: A Very Short Introduction
Joseph Dan
A concise and authoritative introduction to the history, major ideas, and key figures of the Kabbalistic tradition of Jewish mysticism.
The Essential Kabbalah
Daniel C. Matt
The perfect introduction to Kabbalism, presenting its most essential teachings with expert translations and clear explanations of the Ten Sefirot and the Zohar.