OR

Both of these allow colleagues/learners to chat; in the case of...

• Chatmaker, a chat room for invited 'members' go to http://www.chatmaker.net/.
  • Name the room
  • Invite members by sending them the Web Address.
• Gabbly, just add gabbly.com/ in front of any URL (Web Address) and the chat window will open. e.g. http://gabbly.com/www.rsc-northwest.ac.uk.