C.L.A.U.D.I.O. Personality Test Bot - A chat bot from the A.L.I.C.E. AI Foundation that attempts to determine the user's type by inserting typing questions into a chat conversation.
Eclectic Energies Enneagram Test - Online test which indicates both type and wing. Uses process-of-elimination approach to identify type.
Ennea-Graph - A free online test based on selecting the words that describe you most.