Basilideans - Wikipedia - A Gnostic sect founded by Basilides of Alexandria in the 2nd century. - http://en.wikipedia.org/wiki/Basilideans
Valentianism - Wikipedia - A religious doctrine named after Valentinius, a Roman theologian who lived circa 2nd century, and defied Christian orthodoxy, in order to follow Gnosticism. - http://en.wikipedia.org/wiki/Valentianism
Sethianism - Wikipedia - A group of ancient Gnostics, that date their existence before Christianity. - http://en.wikipedia.org/wiki/Sethian
The Bridal Chamber - A site dedicated to the innermost mystery of early Christianity and the role of Mary Magdalene as the founder of Christianity. - http://www.bridalchamber.com
Jacob Boehme Resources - Offers online transciptions of the works of Jacob Boehme. - http://pegasus.cc.ucf.edu/~janzb/boehme/
The Trail of Gnosis - An interactive PDF format CD-ROM explores traditions of Gnosticism from the 4th to 15th centuries both in depth and as an overview. - http://gnosistraditions.faithweb.com/
The Egyptian Foundations of Gnostic Thought - A 1994 thesis posted chapter by chapter. Also a number of Gnostic tractates translated by the author as well as photos taken from Egypt. - http://colba.net/~drmcb/Egyptian%20Gnosis/page%201.html
Catholic Encyclopedia: Gnosticism - History of Gnosticism from its pre-Christian roots through its developed doctrines concerning cosmogony, the Sophia-myth, soteriology, and eschatology. Includes information on rites, schools, and literature. - http://www.newadvent.org/cathen/06592a.htm
Ancient Gnosticism - Describes the history, beliefs, and practices of the ancient Gnostics. - http://www.religioustolerance.org/gnostic.htm
Magdalene.org - An effort to bring the spectrum of material and references to Mary Magdalene together in one cohesive website. - http://www.magdalene.org/