From the American Psychological Association

Complete online texts of out-of-copyright works from such authors as Freud, Jung, and William James; site created by a Psychology professor at York University (Toronto).

From the American Psychological Association (APA)
Includes recommendations for finding both published and unpublished tests

Includes descriptive information on more than 3,500 commercially available tests.
Search alphabetically or browse by category.
Click on any test title to see a brief description of the test, along with publisher contact information.

Personality inventories.

Small set compiled by a professor at the York University, Canada.

From the American Psychological Association.

Free research-based online tests maintained by R. Chris Fraley, a professor of psychology at the University of Illinois at Urbana-Champaign.

APA