NoteBookCast is a free whiteboard tool that will work in the web browser on a laptop, iPad, Android tablet, and Windows tablet. NoteBookCast is a collaborative whiteboard tool. You can invite others to join your whiteboard by entering the code assigned to your whiteboard. You can chat while drawing on NoteBookCast whiteboards.
While you can create an account on NoteBookCast, it is not a requirement for using the service. You can create a whiteboard by simply clicking "create a whiteboard" then entering a nickname for yourself to use on the whiteboard. If you do create a NoteBookCast account you can save your whiteboards and create whiteboard templates to re-use.
Applications for Education
NoteBookCast could be a good tool for students to use to remotely work together to solve problems, create mindmaps, or tutor each other.
H/T to The Whiteboard Blog.