CtnLatin
Catholic Tradition Network Latin language list with special emphasis on the language of the Catholic Church.
HBS Latin Forum
Discussions include: A-Level Latin, Beginner's Latin, GCSE Latin, General Chit Chat, Roman Culture, and Roman Writers' Translations. Account needed to post messages but not to read the posts.
HenleLatin
A group for those using Henle material to study Latin.
LatinChat-L
A yahoo group for speaking in Latin. Other language translations are welcome as long as the main posting is in Latin.