| ENFP Haven: A online discussion group for ENFP's and their friends. Very busy list. |
| ENFP Haven Group: Includes MBTI prayers, personality type links, and subscription information for the email group. |
| ENFP Page: Humorous acronyms, web pages belonging to people described as ENFP, links, and a web ring. |
| ENTP Email List: List for people of this personality to discuss theory, ideas, and perspectives. |
| ENTP.org: Chat, Discussion Forums and general information centered around the ENTP (Inventor) Meyers Briggs Type. |
| INFJ -- Dolphin Cove: E-mail list and information on the personality type. |
| INFJ Mailing List: Explores the quirks and crannies of the INFJ type. |
| INFJ-List Mailing List: Email discussion group primarily for INFJs and anyone interested in communing with and learning more about this most rare and complicated of personality types according to the Myers Briggs Type Indicator. |
| INFJ.com: Devoted to all things INFJ, including a discussion of the type model as it pertains to this type and an INFJ handbook, designed to help the normal INFJ cope. |
| INFP: Offers a profile of the Introverted Intuitive Feeling Perceptive type. |
| INFP Community: A place for INFP's to meet like-minded people. Discuss relevant issues in the messageboards. |
| INFP Web Ring: Provides links to member sites. |
| INFP-General: INFP e-mail list and virtual community. |
| INTJ Open Club: Online discussion group for and about INTJs. The discussion topics are open and the club is not limited to INTJs. |
| INTJ-List: Provides a place in which an unusually high concentration of INTJs can congregate and interact in any way they wish. Covers all topics, but discussion often turns on personality type and on what it means to be INTJ. |
| INTJ-Open Email List: Email list with JoAnne Schmitz, list-op. |
| INTP Network: INTP webring and resource page. |
| INTP Survival Guide: Guide to relationships, learning style, and humor. |
| INTP.org: INTP mailing list. Includes links to the SETI group and other tests. |
| ISTP: Information on the Introverted Sensing Thinking Perceiving type personality. Tests, descriptions, and humor. |
| Systems Thinker: Personality Types: Description of Myers-Briggs personality types written by an INTJ, with links relevant to all. |
| The INTP List: Predominantly for people tested as the personality type INTP using the Myers-Briggs Type Indicator. All types welcome. |
Classical
