Serpentine Power in Greece and India
Tantra from a Greek point of view.
http://www.accessnewage.com/articles/mystic/Serpent1.htm

Sriyantra
Sacred art and geometry of Tantra.
http://alumni.cse.ucsc.edu/~mikel/sriyantra/sriyantra.html

What Is Tantra?
Nepal Institute's views on Tantra. Also includes listing of articles and books on Tantra.
http://newfrontier.com/nepal/whatis.htm

SivaSakti
Offers tantric articles, Ebooks, asanas, yantras and meditation music.
http://sivasakti.com/

Tantrik Worship and Christian Liturgy
A comparative essay and resource links.
http://www.geocities.com/o_m_mathew/om.htm

Maya-gaia
Page claims an amateur effort to understand and integrate experience with Tantra.
http://www.geocities.com/RainForest/Vines/1320/

Sadhaks
Describes experiences of many spiritual masters. Offers insight into hidden aspects of tantric practice.
http://geocities.com/amvaranasi/

Tantrika
Introduces the concept of Tantra and the evolution of its use.
http://www.clas.ufl.edu/users/gthursby/tantra/

Tantra Distance Learning
Teaches tantra with personal attention from this Guru.
http://www.jonnmumfordconsult.com

International Journal of Tantric Studies
An award winning publication of Tantric studies. The journal also focuses on language studies.
http://www.asiatica.org/ijts/

Tantra Kundalini
Classical fundamentals of Tantra.
http://www.tantra-kundalini.com

An Introduction to the Tamil Siddhas
Features article by Layne Little on the Tantric heritage of the Tamil Siddhas.
http://www.alchemywebsite.com/tamil_si.html

The Scrolls of Mahendranath
The writings of Shri Gurudev Mahendranath, Guru of the Adinath and Uttara Kaula Tantrik traditions.
http://www.mahendranath.org/

The Ashram, Inc.
Vedic meditation, tantric teachings, kundalini yoga, and transendental awareness in Australia.
http://www.ashram.com.au/