This is by no means an exhaustive list, but these are some of the biggest sites online. More will be added periodically. (Note: ** denotes the generic sites only, as the site has a multiplicity of support groups, and you can search by specific topic, such as international, trans-racial, geographical, etc.)
Faith-Based Sites:
Adoption.com: Faith Based Forums Christian Adoptions
Adopting.org: Faith in Adoption
Christian... more