IDroo is a collaborative whiteboard for educators. There are several other options for collaborative whiteboards: Twiddla, Flock Draw and CoSketch to name a few. What sets IDroo apart from those options is that it integrates directly with Skype, so it uses your Skype Contacts to collaborate on the whiteboard. With IDroo, not only will you be able to video conference with others, but you will be able to also draw with each other. You also have an unlimited number of participants that can participate in the collaborative drawing.
For math teachers, there is a professional math typing tool that you can use for integers and functions. There are also several geometrical sheets that you . You can easily add pictures through upload and drag and drop as well. For homebound students and absent students, IDroo offers a great service for supplying those students with notes and other aspects of a daily classroom lesson.