Free software that is great if you don't own a Smart Board or a Promethean Board and don't want to spend money buying licenses.
The software works on Windows, Macs and PC Tablets and Graphic Tablets such as Wacom.
The software has many Apps integrated into it such as a Ruler, a Protractor and a great library of clipart and Sancore has a website for teachers to share resources called PLANET SANCORE.
http://open-sankore.org/en
