- Enneagram Institute
- The home site of Don Richard Riso & Russ Hudson, two of the leading teachers and developers of the Enneagram system of personality types. The site contains a great deal of information on using the Enneagram for personal growth and transformation.
- Authentic Enneagram
- The web site of David Daniels and Helen Palmer. Helen Palmer is one of the first authors to popularize the Enneagram system of personality types. The site is rich with information on this still evolving theory of personalities.
- Barbara Sher
- This is the official site of Barbara Sher, author of Live the Life You Love and Wishcraft. Barbara is dedicated to helping individuals realize their life dreams. Check out the link to her weekly Internet Radio show "Dare to Live Your Dream".
- Citizen Philosopher
- This is a site dedicated to informal philosophical discussion groups inspired by Christopher Phillips and his book Socrates Cafe. The site contains highlights of previous discussions, many of which deal with spirituality and the meaning of life.