With GroupBoard, it is possible to collaboratively on a blackboard to work an Internet connection is required. Of different devices can be actively involved.
Depending on the available Internet bandwidth is smoothly Drawing and Shaping is not always possible. Registration is not required, each Board receives a unique ID, called it, and can be directed.
Groupboard screenshots
You can free download Groupboard 32, 64 bit and safe install the latest trial or new full version for Windows 10 from the official site.