The Truth About Midlife Health
- A weblog about medical studies in the news and their implications for adult health and well-being.
- http://midlifehealth.blogspot.com/

Third Age Foundation
- Bringing people together to fuel passion, purpose and joy in the aging process. Changing the myths of aging.
- http://www.thirdagefoundation.com/

Fabulously 40
- A sorority of women who aspire to look and feel their best, regardless of their weight, height, race, or nationality.
- http://www.fabulously40.com

Fifty Plus Talks
- A site for anyone over 50 to contribute a true and successful life story.
- http://fiftyplus-talks.org

Growing Old Sucks
- The life and tribulations of an almost 40 year old exploring and embracing his midlife crisis.
- http://www.sirfluffy.com

Center for Midlife Crisis
- San Francisco Institute for Personal Growth provides mid life skills, and practical tips and resources to go through difficult life transition times.
- http://www.midlifeskills.com/

Midlife Mamas on the Moon
- Celebrate great health, friendships, sex, and money and launch your second life. Newsletter and website for the book.
- http://midlifemamas.com

Let's Face It
- Middle-aged women consider facelifts and natural aging.
- http://www.letsfaceit.tv

Midlife Research
- The John D. and Catherine T. MacArthur Foundation Research Network on Successful Midlife Development.
- http://midmac.med.harvard.edu/

Midlife Metamorphosis
- A normal life stage that forces a person out of a limited ego state into spiritual and psychological wholeness.
- http://www.lessons4living.com/midlife.htm

Midlife Moments
- Columnist Mike Bellah features funny, practical, and upbeat articles on mid-life issues, including career changes and the mid-life crisis.
- http://www.bestyears.com/

Midlife Crisis Club
- Features a forum of men and women supporting each other through midlife crises.
- http://www.midlifewivesclub.com

MiddleAge.org
- A site dedicated to the potential of middle age, not its limitations. It also deals with "midlife crises" and retirement planning.
- http://www.middleage.org

Alive at 45 Forum
- A message board with questions and answers about being 40 something.
- http://greenspun.com/bboard/q-and-a.tcl?topic=ALIVE%20AT%20FORTY%2dFIVE%21%20Forum