Software available for Multicultural Virtual Teams
Livelink virtualteams, a software for virtual teams offered by netage (founders are Jessica Lipnack and Jeffrey Stamps): http://netage.com/offerings/tools_fr.htm
Icohere offers collaboration software for communities, workgroups and organizations. http://www.icohere.com/
Technologies available
Wikiweb: The tool you are working with at the moment.
