Workshops and Trifold school of Enneagram studies founded by Helen Palmer and David Daniels.

An explanation of Jung-Myers-Briggs psychological model. All 16 types are portrayed comprehensively. Chapter 10 (the most important one) of Jung's book psychological types is available.

Business psychology consultancy offering services to HR professionals in assessment, development, diversity and well-being of employees.

A variety of fun personality tests that provide analysis and advice by interpreting the user's answers to various questions and events.

A collection of free professionally developed tests that help users discover their personality type and individual personality traits.