Beta Alpha Delta
Bulletin board for members of the Penn State fraternity Beta Alpha Delta, sorority Beta Gamma, and other friends.
ClubGreek.com
Provides forums, news, buddy icons, articles and templates for the greek community.
Duncan's Greek Pages
Resource for Greek organizations and their members, including bulletin boards, chat, banner rotations, and announcements.
Greek Chat Network
Features an onsite chat room, directory of off-site chat rooms, and helps Greeks host chat rooms on their sites.
Greek Peeps
A discussion forum for Greeks and those interested in Greek life. [Membership required]
Greek Talk
Free online GLO specific or general forums for members and aspiring members of greek fraternities and sororities.
The Greek Union
An invite only friendster-like site for fraternity and sorority members.
Yahoo Groups: Fraternities and Sororities
http://dir.groups.yahoo.com/dir/Schools___Education/Student_Organizations/Fraternities_and_Sororitie
Free e-mail discussion groups with message archives, chat, and file-sharing. Join an existing group or start a new one. Groups may have restricted membership and moderated discussion.