AAMFT (American Association of Marriage and Family Therapists)
Find a licensed and/or certified Marriage and Family Therapists by state
http://www.aamft.org

AASECT (American Association of Sex Educators, Counselors and Therapsists)
Find a sex therapist nationwide
http://www.aasect.org

Ageless Love
Online community for people in relationships with large age gaps.
http://www.agelesslove.com/

Alternatives to Marriage Project
Provides resources, advocacy, and support to people who have chosen not to get married.
http://www.unmarried.org/

California Prostate Cancer Coalition
A listing of prostate cancer support groups in California
http://www.prostatecalif.com/public/support-groups

Circumcision Resource Center
A non-profit educational research center studying circumcision and recommending against it.
http://www.circumcision.org/

Endo-Online
The voice of The Endometriosis Association and provides information and support to women and girls with endometriosis.
http://www.killercramps.org/

Gay Lesbian International Therapist Search Engine
Find professional counselors who are sensitive to gay and lesbian issues. Not all the therapists are themselves gay or lesbian.
http://www.glitse.com/

Herpes Support Groups
Nationwide and international listings for support groups
http://www.herpes.com/supportgroups.shtml

Hip Mama
A magazine with political commentary and tales from the front lines of motherhood. Includes a subsite called Girl Mom with dialogue and encouragement for people dealing about the unique challenges of teen parenting.
http://www.hipmama.com/

Intersex Society of North America
ISNA is devoted to systemic change to end shame, secrecy, and unwanted genital surgeries for people born with an anatomy that someone decided is not standard for male or female. They urge physicians to use a model of care that is patient-centered, rather than concealment-centered.
http://www.isna.org/

Kink Aware Professionals
Database of Doctors, Dentists, Therapists, and Clergy who are non-judgmental about sex and are familiar with the positive nature of many sexual behaviors, interests, and subcultures.
https://ncsfreedom.org/key-programs/kink-aware-professionals/kap-program-page.html

LYRIC
Activities, tutoring, recreation, health and sex ed for GLBTQ youth
127 Collingwood St., SF (btwn 18th and 19th)
(415) 703-6150
http://www.lyric.org

Loving More
National Support Organization/Magazine for Those Involved in Multi-Partner Loving Relationships
http://www.lovemore.com/

NARAL California
The California branch of NARAL, a reproductive health & rights center that works to remove obstacles to women seeking access to abortion.
http://www.prochoicecalifornia.org/

National Coalition for Sexual Freedom
National advocacy on sex issues, primarily focused on the rights of consenting adults in the SM-leather-fetish, swing, and polyamory communities, who often face discrimination because of their sexual expression.
http://www.ncsfreedom.org/

Pacific Center
Community center for sexual minorities based in Berkeley, CA. Social activities. Drop-in and closed support groups for bi, gay, lesbian, transgender, youth & questioning. AIDS education, testing & counseling.
(510) 548-8283
http://www.pacificcenter.org

Poly-Friendly Professionals
Database of professionals (including therapists, medical doctors, and lawyers) who have identified themselves as being open-minded about polyamory and poly issues.
http://www.polychromatic.com/pfp/main.php

Religious Tolerance
A page with links to discussions of religious tolerance on subjects like masturbation, homosexuality, and other issues.
http://www.religioustolerance.org/chr_sex.htm

Renaissance Transgender Association
Provides comprehensive education and support to transgendered individuals. Click on “local chapters” for local groups.
http://www.ren.org/

Rose City Discussion Club
Portland, OR-based support group for the pansexual BDSM, fetish, and alternative sexuality community.
http://www.rcdc.org/

SF Bay Area Therapy Network
Referrals for licensed psychotherapists with individual and independent practices in the San Francisco Area.
415-974-9779 (SF & Marin), 510-287-9225 (East Bay)
http://www.therapynetwork.net/

Sex Workers Anonymous
For people looking to leave the sex industry
(702) 953-6024
http://www.sexworkersanonymouswso.com

Sex and Love Addicts Anonymous
(415) 979-4715 (Bay Area)
(210) 828-7900 (Main Office)
http://www.slaafws.org

Sexual Freedom Coalition
“Promoting reform of Britain’s silly old sex laws”
http://www.sfc.org.uk/

Survivors of Incest Anonymous
(415) 841-0332 (Bay Area – Candace)
(410) 893-3322 (Main office)
http://www.siawso.org