There are others, just search Google for them... it really depends on what kind of support you are looking for. Please view the related links.
i personally looked at this for you and it seems like a pretty good(:www.dailystrength.org/support-groups/Lesbian-Gay
DBSAlliance.com is an online Depression and Bipolar Support Alliance group for families dealing with this issue. MDJunction.com also offers online support groups for bipolar. There are plenty of support forums out there for people with many disorders. You can try www.psychforums.com or www.healthboards.com.
There are some groups through Meetup.com that offer Gastric Bypass support. You can also find online support groups at http://www.dailystrength.org/c/Gastric-Bypass-Surgery/support-group
There are many good parenting support groups online such as the Mommy Network or other sites that come up with a quick search of the term. Focususas.com might also be able to help.
Sure. A good one is http://www.mendedhearts.org/,
There are lots of them. Psych Central (psychcentral.com) has good support communities for all types of mental illness.
I don't know of any actual ones, but online there are forums and websites where you can talk about colorblindness and share your experiences.
Depression and Bipolar Support Alliance is a very good bipolar support groups
There are many groups to try online. One concerning weight loss surgery would be www.livestrong.com. There is also a group online called MD Junction. This group is made for people with all disabilities.
There is a support group called dLife. They have a forum available online for people with diabetes in northern Alabama. They are a great community to join.
There are many support groups for single parents. You can search on the web or look in your local newspaper for groups in your area. I cannot suggest any without knowing where you are located.
It depends on what you need support for. A lot of support groups are run through local hospitals or religious organizations, so you could contact them to see if there are any groups offering the type of support you need in your area.