As of 2015, Open Sankore, Net Pen and Whyteboard are the top three free interactive whiteboard programs for Windows, according to List of Freeware. Some other highly rated programs are Whiteboard Notepad, WhiteboardSVG, Graffiti and NuttiTre WhiteBoard.
Open Sankore allows users to insert audio, video and animation in the whiteboard and use it in full screen mode. It is also available in several languages.
Net Pen is a collaborative whiteboard software, which means that several users can work on the same project simultaneously. The program's size is 1.5 MB, which allows users to download it and set it up quickly even on a slow computer.
Whyteboard is the best whiteboard program for children, as its main feature is a user-friendly interface.