Tools
Online JoHari window exercise, http://kevan.org/johari

Jung Personality types, http://www.humanmetrics.com/cgi-win/JTypes2.asp

Personality Test, http://similarminds.com/jung.html

Keirsey Types, http://www.keirsey.com/

Myers Briggs, http://www.myersbriggs.org/

Reading Suggestions
(some recommendations were taken from http://www.mypersonality.info/personality-types/books)

General
The 16 Personality Types - Descriptions for Self-Discovery (recommended for beginners), by Linda V. Berens and Dario Nardi

Type Talk - The 16 Personality Types That Determine How We Live, Love, and Work, by Otto Kroeger and Janet M. Thuesen

Please Understand Me - Character and Temperament Types, by David Keirsey

Please Understand Me II - Temperament, Character, Intelligence, by David Keirsey

Relationships
Just Your Type - Create the Relationship You've Always Wanted Using the Secrets of Personality Type, by Paul D. Tieger and Barbara Barron-Tieger

Lovetypes - Discover Your Romantic Style And Find Your Soul Mate, by Alexander Avila

Parenting
Nurture by Nature - How to Raise Happy, Healthy, Responsible Children Through the Insights of Personality Type, by Paul D. Tieger, Barbara Barron-Tieger and E. Michael Ellovich

Additional Reading Suggestions
Coping with Toxic Managers, Subordinates ... and Other Difficult People: Using Emotional Intelligence to Survive and Prosper, by Roy H. Lubit.

Toxic Relationships and How to Change Them: Health and Holiness in Everyday Life, by Clinton McLemore.

Boundaries and Relationships: Knowing, Protecting and Enjoying the Self, by Charles Whitfield

The challenge of maturity: a comprehensive guide to understand and achieve psychological and social self-actualization as we grow older, by William D. Eldridge

Stories and Strategies to Heal the Hurt, by Dr. John Preston

Of Human Interaction, by Joseph Luft and Harry Ingham

Toward a Psychology of Being, by Abraham Maslow

Motivation and Personality, by Abraham Maslow

The Further Reached of Human Nature, by Abraham Maslow

Article Suggestions
Maslow's Study of Self-Actualization: A Reinterpretation. Willard Mittelman, Journal of Humanistic Psychology 1991; 31; 114 http://jhp.sagepub.com/cgi/content/abstract/31/1/114.

Validation of a Short Index of Self-Actualization, Alvin Jones and Rick Crandall, Pers Soc Psychol Bull 1986; 12; 63 http://psp.sagepub.com/cgi/content/abstract/12/1/63.

The Art of Emotional Nourishment, Jerry A. Greenwald, Ph.D, Journal of Contemporary Psychotherapy Vol. B, No. 1, pp. 3-9 Summer 1976 http://www.springerlink.com/content/u43w3g1852847213/.

Further Examining the American Dream: Differential Correlates of Intrinsic and Extrinsic Goals, Tim Kasser and Richard M. Ryan, Pers Soc Psychol Bull 1996; 22; 280 http://psp.sagepub.com/cgi/content/abstract/22/3/280.