Keirsey Temperaments of Online Journalers
A just-for-fun list of who have take the Keirsey Temperament test. Also includes sex, astrological, and age information.

Keirsey Temperament Sorter II
From the revised edition of "Please Understand Me".

Space Colony H
A non-violent psychologically based, problem-solving leadership game set in space. It incorporates the insights of Temperament Theory and it challenges users with day-to-day decisions.

4Temperaments.com
Offers a free temperament assessment.