Apps with 'Shared whiteboard' feature
BigBlueButton enables universities and colleges to deliver a high-quality learning experience to remote students.
OpenBoard is an open source interactive white board application primarily designed for schools.
Drawpile is a drawing program that lets you share the canvas with other users in real time.
FreeConference.com is the original free conference calling service, offering free and reliable video & conference calling solutions.
Vectera is the easy way to meet clients online. Schedule appointments and conduct secure video meetings. Get creative with whiteboards, cobrowsing and document annotation. 1-click start, no downloads, no frustrations.
Draw together in real time, from anywhere! In seconds, anyone can follow along with your drawing or draw with you from the app or on the web.
Inko is a collaborative whiteboard that lets you draw together using multiple iPad or iPhone, and even interact on Apple TV.