The Gnostic Society Library
Free archive of Gnostic texts including Nag Hammadi translations, Valentinian writings, and encyclopedic articles on Gnostic traditions.
You might also explore
Gnosticism (Stanford Encyclopedia of Philosophy)
Stanford Encyclopedia entry on Gnostic religious movements, their cosmology, texts, and relationship to early Christianity.
The Gnostic Gospels
Elaine Pagels
A landmark exploration of the Nag Hammadi texts that reveals a radically different view of early Christianity. Winner of the National Book Award.
The Gospel of Thomas: The Gnostic Wisdom of Jesus
Jean-Yves Leloup
A translation and commentary on the 114 logia of the Gospel of Thomas, revealing a Jesus with much in common with non-dualistic gnostic schools.
The Nag Hammadi Scriptures
Marvin W. Meyer (ed.)
Definitive English translation of the complete Nag Hammadi library — the major collection of Gnostic texts discovered in Egypt in 1945.
Gnosticism: New Light on the Ancient Tradition of Inner Knowing
Stephan A. Hoeller
An accessible overview of Gnosticism from antiquity to the present, illuminating its core teaching that direct experiential knowledge of the divine is available to all.