OpenBoard - The OpenBoard software is an interactive white board software.
Conceptboard - Instant Whiteboards for Teams & Projects
Surface Studio - A brilliant screen for your ideas, from Microsoft
IDroo - A shared whiteboard for use by multiple Skype-users simultaneously. Features
Twiddla - Mark up websites, graphics, and photos, or start brainstorming on a blank canvas.
Microsoft Whiteboard - The canvas where ideas, content, & people come together.