OpenBoard - The OpenBoard software is an interactive white board software.
ClickMeeting - Collaborate with partners and clients using ClickMeeting professional web conferencing software. Try it now, FREE!
Conceptboard - Instant Whiteboards for Teams & Projects
BigBlueButton - Engage Your Online Students. BigBlueButton is a web conferencing system designed for online learning.
IDroo - A shared whiteboard for use by multiple Skype-users simultaneously. Features
WebEx - Cisco WebEx Web Conferencing, Online Meetings, Desktop Sharing, Video Conferencing