There're listed all social groups in category Site Improvement.
Help Curate the DF Tags database
8 members, 645 views.
Join if you like Studies
11 members, 836 views.
Join if you like journals
10 members, 657 views.
If you love sharing images & media.
5 members, 418 views.
A group for teaching people how to use the wiki
13 members, 979 views.