http://www.lcc.gatech.edu/WebX
Students posted homework assignments, collaborative projects, and chat logs in Web Crossing, an asynchronous Web-based bulletin board and conferencing forum.
TechLINC
http://www.lcc.gatech.edu/techlinc/
TechLINC, a virtual classroom environment designed by faculty members and graduate students in the School of Literature, Communication, and Culture at the Georgia Institute of Technology, enabled students from all three campuses to engage in synchronous ("real time") discussions with their group members.