Collaborative tools

Here's a link to a list of collaborative tools divided into management, mental maps and whiteboards, notes and bookmarks, emails and calendars, videoconference and text editor. 
COLLABORATION IDEAS
Some of these tools include: Laboratree, Deskaway, Bubbl.us, Mindmeister, Diigo, SpicebirdDimdim, Yuuguu or Textflow.


Really useful!!!