1820 British Settlers to South Africa
"The purpose of this group is to record as many of the ORIGINAL settlers (Heads of the family groups) so that researchers can identify family lines and descendants."
For discussions about genealogy. Here you can get help from other genealogists when you have run into problems, or need help with reading difficult handwriting, need help with translation of Swedish texts, identify photographs, and many more things.
The DIS Society is the Swedish Computer Genealogy Society. DIS is short for Datorhjälp i släktforskningen, which means Computer support in genealogy. DISGEN, DISBYT, DISPOS. Membership-$22/year.
Jewish Genealogical Society of Great Britain
"To help one another to learn and discover more about genealogy; encourage genealogical research; promote the preservation of Jewish genealogical records and resources; and share information amongst members."
The Latvia SIG is a group that focuses on Jewish genealogical research in Latvia. It also has a section on Estonia.