You may find these sites of interest:
The Stewart Society
www.stewartsociety.org
The Monarchist League
www.monarchy.net/leaguei.htm
The Society of King Charles the Martyr
www.skcm.org
The Jacobite Heritage
www.jacobite.ca
The Ist Marquis of Montrose Society
www.montrose-society.org.uk
Jacobitism in Northumberland
http://www.northumbrianjacobites.org.uk/
('The Fifteen' or Northumberland Jacobite Society have a page on the above at) http://www.northumbrianjacobites.org.uk/society/society.htm
The Order of the Lion Rampant
www.defendersofscotland.org
Jacobite online discussion group
groups.yahoo.com/group/Jacobite
(This group exists for the exchange of information
and views about all aspects of Jacobitism past and present - it is not a Society
as such).
Lowestoft Porcelain
www.lowestoftporcelain.com
1745 Association
www.1745Association.org.uk
The Order of the Crown of Stuart
www.crownofstuart.org.uk
The Jacobite Studies Trust
www.jacobitestudiestrust.org