OpenBoard - The OpenBoard software is an interactive white board software.
GoToWebinar - Webinar & Online Conference | GoToWebinar
Conceptboard - Instant Whiteboards for Teams & Projects
Zoom - Equip your team with tools designed to collaborate, connect, and engage with teammates and customers, no matter where you’re located, all in one platform.
IDroo - A shared whiteboard for use by multiple Skype-users simultaneously. Features
WebEx - Cisco WebEx Web Conferencing, Online Meetings, Desktop Sharing, Video Conferencing